Return to All Blogs

Top 10 IDEs for Web Development: Top Picks for 2025

Check out the best IDEs for web development in 2025. Find the tools that suit your development workflow.

Sep 27, 2025

0 mins read
Featured Image for an article on IDEs for Web Development
Featured Image for an article on IDEs for Web Development
Featured Image for an article on IDEs for Web Development

In modern software engineering, an Integrated Development Environment (IDE) is crucial for workflow, code quality, and project success, especially for web development. Unlike a simple text editor where you might just type out a function like function add(a, b) { return a + b; }, an IDE integrates a powerful source code editor (which could suggest corrections), build automation tools (to run the code), and a debugger (to step through the function and inspect the values of a and b) into one graphical user interface. This combination maximizes programmer productivity

Choosing an IDE is a strategic business decision that boosts developer productivity, reduces setup time, and enables quick deployment, impacting project timelines, code maintainability, and competitive advantage. 

This article analyzes current web development IDEs, detailing essential features, comparing the top 10, and offering a framework for selecting the best tool for specific projects.

TL:DR: Best IDEs

The best IDEs for web development in 2025 include Visual Studio Code, WebStorm, Sublime Text, and Atom, with VS Code leading as the most popular choice thanks to its speed, wide extension library, and support for modern frameworks like React and Node.js. WebStorm is ideal for professional teams working with JavaScript-heavy projects, while Sublime Text and Atom remain lightweight options for fast editing. Your choice depends on whether you need power, speed, or simplicity.

TL:DR: Best IDEs

What Makes an IDE Great for Web Development?

To assess the available options, it's helpful to view a modern Integrated Development Environment (IDE) not as a simple toolbox, but as a complete workshop for a web developer. A basic text editor is like having just a hammer and saw; you can build something, but the process is manual and slow. A modern IDE, in contrast, is a state-of-the-art workshop where every tool is designed to work together, improving efficiency and preventing mistakes. The focus has shifted from merely constructing the product (writing code) to managing the entire production line, including quality control, project history, and teamwork.

Think of an effective IDE as the workshop's foreman, not just a power tool. It gives a developer the ability to oversee a complex project, much like a foreman manages a large construction site. It has built-in inspection tools to check the integrity of the work as it happens and provides a direct communication system to coordinate with the rest of the crew. This viewpoint is essential for judging these tools on how well they support the entire process of creating software, not just on their text-editing capabilities alone..

Essential IDE features

1. User-Friendly Code Editor Base

The foundation of any Integrated Development Environment (IDE) is its source code editor. This is the primary interface where developers spend the majority of their time, so its performance is non-negotiable. The dominance of tools like VS Code, used by over 75% of developers according to the Stack Overflow 2025 survey, shows how much a great editor matters. A high-quality editor must be lightweight, fast, and responsive. A practical starting point is to build upon a proven open-source editor core, such as Monaco (the engine for VS Code) or CodeMirror. Using such a foundation provides a frictionless experience that permits developers to stay organized while writing clean, efficient code.

2. Syntax Highlighting

Syntax highlighting is a feature that displays source code in different colors and fonts according to the category of terms, such as keywords, variables, strings, and comments. This is a form of secondary notation that reinforces the meaning and structure of the code without being part of the code itself.

This feature is critical for readability. It makes code easier to parse visually and helps developers spot syntax errors, like a missing quote or parenthesis, almost instantly. Research confirms its value; a study published in the PPIG conference proceedings found that syntax highlighting significantly reduces the time a programmer needs to comprehend a program's semantics. By color-coding distinct elements, it allows developers to focus on application logic rather than parsing basic syntax.

3. Auto-Completion (IntelliSense & AI-Driven)

Auto-completion, often marketed as IntelliSense, is a feature that suggests code completions as a developer types. This functionality goes beyond simple text prediction by providing context-aware suggestions based on variable types, function definitions, and imported modules.

Its importance lies in its ability to accelerate development by reducing keystrokes, minimizing typographical errors, and acting as a form of interactive documentation. A July 2024 study published in Proc. ACM Softw. Eng. revealed a key benefit: while auto-completion did not necessarily reduce the total number of keystrokes, it significantly cut down task completion time by reducing how often developers needed to consult external documentation. The emergence of AI-powered tools like GitHub Copilot is advancing this capability, suggesting entire blocks of code and further shifting the developer's role toward code review and orchestration.

4. Live Preview

Live Preview allows developers to see the real-time impact of their HTML and CSS changes in a web browser without needing to perform a manual refresh. This creates an immediate visual feedback loop between the code and its output.

This feature is indispensable for modern frontend development. It streamlines the process of fine-tuning user interfaces, debugging complex layout issues, and validating responsive designs across various screen sizes. For developers new to web technologies, it provides an intuitive and tangible connection between the code they write and the visual result, accelerating the learning process.

5. Emmet Support

Emmet is a powerful plugin that uses short, CSS-selector-like abbreviations to expand into complex HTML and CSS code structures. It is an essential toolkit for any web developer looking to improve workflow efficiency.

Emmet dramatically accelerates the creation of boilerplate HTML and repetitive CSS patterns, which are common in frontend development. For instance, typing the simple expression

nav>ul>li.item*5>a{Item $} and expanding it can generate a complete navigation structure with an unordered list containing five list items, each with a link, in a fraction of a second. This capability saves significant time and drastically reduces the potential for typing errors.

6. Integrated Debugging Tools

Debugging is the process of identifying and resolving errors, or bugs, in source code. Integrated debugging tools allow developers to do this systematically by setting breakpoints to pause execution, stepping through code line-by-line, and inspecting the state of variables in real-time.

These tools are fundamental to professional development. They offer a far more efficient and insightful process than rudimentary methods like scattering print statements throughout the code. An integrated debugger is essential for diagnosing complex logical flaws, understanding program flow, and resolving runtime errors that only appear under specific conditions.

7. Version Control Integration (Git)

Version control integration provides a seamless connection to systems like Git directly within the IDE. This allows developers to perform common version control tasks without leaving their primary coding environment.

This integration is critical for modern collaborative workflows. Developers can commit changes, view differences between file versions (diffs), manage branches, and resolve merge conflicts from a unified interface. This not only streamlines individual productivity but also enhances team collaboration and provides a crucial safety net by creating a complete history of every modification made to the codebase.

8. Rich Plugin Ecosystem

A rich plugin ecosystem refers to the ability to extend an IDE's core functionality through a marketplace of third-party extensions. These plugins can add new features or improve existing ones without altering the core application.

No single IDE can cater to every developer's needs out of the box. A vibrant plugin ecosystem is therefore essential for customization and adaptability.  It allows development teams to tailor the environment to their specific tech stack and workflow, adding specialized tools for linting, code formatting, security scanning, framework support, and more.

9. Customizable Interface

Interface customization allows users to modify the IDE's appearance (themes, fonts, color schemes) and behavior (keyboard shortcuts, window layouts) to match their personal preferences.

Developer comfort and ergonomics are vital for sustained productivity and focus during long coding sessions. A customizable interface reduces cognitive load and allows developers to create a workspace that minimizes distractions and aligns perfectly with their mental model and muscle memory. This seemingly aesthetic feature has a direct impact on efficiency and developer satisfaction.

10. Multi-Language Support

Modern web applications are rarely built with a single technology. Multi-language support is the capacity for an IDE to effectively handle not just foundational web languages (HTML, CSS, JavaScript) but also the entire ecosystem of a modern tech stack. This includes frameworks like React and Vue, backend languages like Node.js and Python, and related technologies such as TypeScript and SQL.

This capability is crucial for full-stack development. A developer may need to work on a JavaScript frontend, a Node.js backend API, and a SQL database all within the same project. An IDE with robust multi-language support prevents disruptive context switching and ensures that powerful features like code completion and debugging are available across the entire codebase, not just one part of it.

A critical metric for evaluating these tools can be conceptualized as "Feedback Loop Velocity." Features like instant syntax highlighting, real-time live previews, and on-the-fly error detection are all designed to shorten the time between a developer's action and their understanding of its consequence. An IDE with a high feedback loop velocity enables more rapid iteration, faster bug fixes, and a more intuitive learning process, making it a key performance indicator for team productivity. A superior IDE for web development is one that maximizes this velocity.

Which are the Top 10 IDEs for Web Development?

The market for web development tools is crowded, but a clear set of leaders has emerged. Each tool offers a unique balance of features, performance, and philosophy. This section provides a detailed comparative analysis of the top 10 contenders, designed to help teams select the best IDE for web development based on their specific needs and priorities.

1. Visual Studio Code (VS Code)

  • Core Strengths: The defining characteristic of VS Code is its unparalleled extensibility. Its massive marketplace of extensions allows developers to transform the lightweight core editor into a specialized tool for virtually any language or workflow. It features best-in-class IntelliSense for intelligent, context-aware code completion, particularly for JavaScript and TypeScript. Furthermore, it comes with essential tools like an integrated terminal, a powerful step-through debugger, and seamless Git integration built directly into the UI, offering a remarkably complete package for a free tool. Its cross-platform consistency across Windows, macOS, and Linux makes it a reliable choice for diverse teams.

  • Cons / When It's Not Ideal: The reliance on extensions is also its primary weakness. As more plugins are installed, VS Code can become resource-intensive, leading to slower performance, especially on machines with limited memory. This can lead to a state of "extension hell," where managing dependencies, resolving conflicts, and dealing with inconsistent quality across third-party plugins becomes a significant time sink. While highly capable, it is not a "full IDE" out of the box and requires manual configuration to match the depth of specialized tools like WebStorm for complex, project-wide refactoring or analysis.

  • Pricing/Licensing: VS Code is free for both private and commercial use under the Microsoft Software License.

  • Quick Verdict: Best for the versatile developer or team that works across a diverse tech stack and values ultimate customization. Its flexibility and massive community support make it the default choice for a large segment of the web development world.

2. WebStorm

Webstrorm
  • Core Strengths: WebStorm's power comes from its deep, semantic understanding of JavaScript, TypeScript, and popular frontend frameworks. This enables superior code analysis, navigation, and refactoring capabilities that are project-aware, not just file-aware. Unlike VS Code, WebStorm is "ready to work" out of the box, with a powerful debugger, test runner, and advanced version control system integrated from the start, requiring no plugin hunting for core functionality. Its refactoring tools are a major productivity driver, allowing developers to safely rename files, extract components, or move symbols across an entire project with confidence. Its visual Git merge tool is widely praised for simplifying the process of resolving complex merge conflicts.

  • Cons / When It's Not Ideal: The primary drawback is performance. As a full-featured Java-based IDE, it can feel slow to start up and is significantly more resource-intensive than lightweight editors. The other major barrier is cost; it is a premium, subscription-based product, which may not be feasible for individual developers, freelancers, or small teams on a tight budget. While it excels at web technologies, it is less suited for developers who frequently need to work in non-web languages like C++ or Go, where another JetBrains IDE would be a better fit.

  • Pricing/Licensing: WebStorm operates on a paid subscription model. For individual users, the price is approximately $69 for the first year, with discounts for subsequent years. For businesses, it is around $159 per user for the first year. It is free for students, teachers, and non-commercial open-source projects.

  • Quick Verdict: Best for professional frontend development teams working on large, complex, and long-lived JavaScript or TypeScript applications. The productivity gains from its intelligent, out-of-the-box tooling can easily justify the subscription cost in a commercial setting.

3. IntelliJ IDEA

Intellij IDE
  • Core Strengths: IntelliJ IDEA is the flagship IDE from JetBrains and is considered a polyglot powerhouse, with its primary strength in the Java and Kotlin ecosystems. However, its Ultimate Edition includes all the web development capabilities of WebStorm, making it an exceptional tool for full-stack developers working with a Java backend and a JavaScript frontend. It offers the same powerful code analysis, refactoring, and debugging tools as other JetBrains products, providing a consistent and highly productive environment for developers working across the full stack.

  • Cons / When It's Not Ideal: For a developer working exclusively on frontend projects, IntelliJ IDEA Ultimate is overkill. It is more resource-heavy and expensive than WebStorm, with many of its features being irrelevant to pure web development. The free Community Edition lacks the advanced web development tools, making it unsuitable for professional frontend work.

  • Pricing/Licensing: The Community Edition is free and open-source. The Ultimate Edition, which contains the web development features, is available via a paid subscription, costing approximately $16.90 per month for individuals.

  • Quick Verdict: Best for full-stack developers or teams whose primary backend is Java or another JVM language. It provides a single, unified environment to work on both the server-side and client-side codebases.

4. Sublime Text

Sublime Text
  • Core Strengths: Sublime Text's reputation is built on two pillars: speed and simplicity. It is exceptionally fast, responsive, and lightweight, capable of handling very large files without breaking a sweat. Developers who prefer to focus solely on their code highly value its minimalist, distraction-free user interface. Features like "Goto Anything" for quick file navigation and multiple-cursor support for simultaneous editing are powerful productivity enhancers. While its plugin ecosystem is smaller than VS Code's, it is mature and offers solid general-purpose extensions via its Package Control manager.

  • Cons / When It's Not Ideal: Sublime Text is fundamentally a text editor, not a full IDE. It lacks built-in debugging, integrated terminals, and other advanced IDE features out of the box; these must be added and configured via third-party packages, which can be a cumbersome process. This makes it less beginner-friendly, as it requires a significant investment of time to configure it into a powerful development environment.

  • Pricing/Licensing: Sublime Text uses a licensed model. It can be downloaded and evaluated for free with no time limit, but a personal license must be purchased for continued use, costing a one-time fee of approximately $80.

  • Quick Verdict: Best for experienced developers who prioritize performance and a minimalist aesthetic above all else. It is an excellent choice for those who are comfortable manually configuring their tools and prefer a lightweight, keyboard-centric workflow.

5. Atom

Atom
  • Core Strengths: Atom, developed by GitHub, was a pioneering editor branded as the "hackable text editor for the 21st century". Its greatest strengths were its open-source nature, deep customizability, and excellent Git and GitHub integration, which allowed for collaborative workflows directly within the editor. It offered a clean, user-friendly interface that was approachable for beginners while being powerful enough for experts through its extensive package ecosystem.

  • Cons / When It's Not Ideal: The most significant con is that Atom has been officially sunsetted by GitHub as of December 2022. While the editor still functions, it is no longer receiving feature updates or security patches, making it an unwise choice for new projects. Even during its prime, it was known for performance issues, often feeling slow and resource-heavy, particularly when handling large files or loaded with many packages.

  • Pricing/Licensing: Atom is free and open-source under the MIT License.

  • Quick Verdict: Atom is now primarily of historical interest. It is not recommended for any professional or ongoing development work due to its sunsetted status.

6. Brackets

Brackets IDE
  • Core Strengths: Brackets, an open-source project from Adobe, was designed specifically for web designers and frontend developers. Its standout feature is Live Preview, which provides a real-time connection to a web browser, instantly reflecting HTML and CSS changes on screen. It also introduced innovative features like Quick Edit, which allows developers to edit related CSS rules directly within an HTML file, reducing the need to jump between files. Its interface is clean, modern, and beginner-friendly.

  • Cons / When It's Not Ideal: Similar to Atom, the development of Brackets has largely stalled. Adobe ended its official support in September 2021, and while the project continues in the community, its future is uncertain. The editor can suffer from performance issues with large files due to its JavaScript-based architecture. Its extension ecosystem is also smaller and less robust than that of VS Code.

  • Pricing/Licensing: Brackets is free and open-source software.

  • Quick Verdict: While its Live Preview feature was revolutionary, Brackets is no longer a recommended choice for professional development due to its stalled development and the superiority of alternatives like VS Code, which now offer similar functionality through extensions.

7. Eclipse

Eclipse IDE
  • Core Strengths: Eclipse is a veteran IDE with a long and storied history, particularly in the Java development community. Its primary strength lies in its powerful and mature tooling for Java and its massive, rich plugin ecosystem, which allows it to be extended to support a wide variety of languages and workflows, including web development (PHP, JavaScript). It offers robust project management, debugging, and integration capabilities, making it a staple in many enterprise environments.

  • Cons / When It's Not Ideal: Eclipse is often criticized for being slow, resource-intensive, and having a high memory consumption. Its user interface is considered dated and complex by many, presenting a steep learning curve for beginners. While it supports web languages via plugins, the experience is often less seamless and intuitive compared to dedicated web IDEs like WebStorm or a well-configured VS Code.

  • Pricing/Licensing: The Eclipse IDE is free and open-source.

  • Quick Verdict: Best for enterprise teams deeply invested in the Java ecosystem who may also need to work on web components. It is generally not a first choice for modern, JavaScript-centric web development.

8. NetBeans

Netbeans IDE
  • Core Strengths: NetBeans is another long-standing, free, and open-source IDE, now managed by the Apache Software Foundation. It provides robust, out-of-the-box support for Java, PHP, and HTML5 development. It is particularly praised for its user-friendly interface, easy setup, and excellent project management and refactoring tools. A standout feature is its drag-and-drop GUI builder, which is especially useful for developing Java-based desktop applications.

  • Cons / When It's Not Ideal: Like Eclipse, NetBeans can be resource-intensive and suffer from slow startup times, especially with large projects. While its plugin ecosystem is extensive, it is not as large or as modern as that of VS Code or the JetBrains marketplace. Its primary focus remains on Java, and the tooling for modern JavaScript frameworks may not be as sophisticated as dedicated web IDEs.

  • Pricing/Licensing: NetBeans is free and open-source.

  • Quick Verdict: A solid, free choice for students, educators, and developers working primarily with Java or PHP. It is a capable tool for web development but may lack the cutting-edge features required for complex, modern JavaScript applications.

9. PyCharm

Pycharm IDE
  • Core Strengths: PyCharm is the premier IDE for Python development, created by JetBrains. Its Professional Edition provides outstanding support for web development with popular Python frameworks like Django and Flask. It also includes all the necessary tooling for frontend development, with intelligent coding assistance for JavaScript, HTML, and CSS, essentially bundling many of WebStorm's features. It offers a powerful debugger, integrated test runner, and seamless version control integration.

  • Cons / When It's Not Ideal: The primary drawback is its Python-centric nature. If a project does not involve a Python backend, using PyCharm makes little sense. The free Community Edition does not include the web development tools, making the paid Professional Edition a necessity for this use case. Like other JetBrains IDEs, it can be resource-heavy.

  • Pricing/Licensing: PyCharm has a free Community Edition for pure Python development. The Professional Edition, required for web development, is subscription-based, costing approximately $99 per year for individual users.

  • Quick Verdict: The undisputed best choice for teams building web applications with a Python backend. It provides a world-class, integrated experience for both the Python and JavaScript portions of the stack.

10. Notepad++

Notepad++
  • Core Strengths: Notepad++ is a free, open-source text editor for Windows that is celebrated for its extreme speed and lightweight footprint. It launches instantly and can handle massive text files with ease. It supports syntax highlighting for a vast number of languages and has a useful tabbed interface for working with multiple files. Its plugin system allows for added functionality, and features like auto-save are highly appreciated by its users.

  • Cons / When It's Not Ideal: Notepad++ is a text editor, not an IDE. It lacks fundamental IDE features like a built-in debugger, intelligent code completion, project management tools, and version control integration. Its user interface, while functional, is considered dated, and it is only available on Windows.

  • Pricing/Licensing: Notepad++ is free and open-source under the GPL License.

  • Quick Verdict: Best for Windows users who need a fast, reliable, and no-frills tool for quick edits, log file analysis, or simple scripting. It is not suitable for complex, project-based web development.

A concerning trend for tech leads to consider is the "sunsetting" of innovative, community-driven tools. Both Atom and Brackets introduced novel features and gained significant followings, but their development was ultimately stalled or discontinued by their corporate backers in favor of larger, better-resourced projects. This suggests that while smaller tools can be attractive, betting on them for long-term projects carries a significant risk. The market appears to be consolidating around the major, well-supported ecosystems of Microsoft (VS Code) and JetBrains, making them the strategically safer choice for most organizations seeking a reliable IDE for web development.

Top 10 IDEs Compared Side-by-Side

The following table distills the detailed analysis into a high-level summary, allowing for rapid initial filtering based on key characteristics.

IDE

Core Strength

Ideal User Profile

Pricing Model

Key Limitation

Visual Studio Code

Unmatched extensibility

The versatile developer

Free

Performance with many extensions

WebStorm

Intelligent JavaScript tooling

Professional frontend teams

Subscription

Resource-intensive

IntelliJ IDEA

Polyglot powerhouse

Full-stack Java/Kotlin devs

Subscription

Overkill for pure frontend

Sublime Text

Speed and performance

Minimalist coders

Licensed

Requires manual setup

Atom

Hackable and open-source

Tinkerers and customizers

Free

Sunsetting, slower performance

Brackets

Visual tools & live preview

Visual-first designers/devs

Free

Development has stalled

Eclipse

Plugin-rich Java heritage

Enterprise Java developers

Free

Outdated UI, resource-heavy

NetBeans

Drag-and-drop GUI builder

Java desktop/web developers

Free

Slower startup, resource-intensive

PyCharm

Premier Python support

Python/Django developers

Freemium/Subscription

Python-centric

Notepad++

Lightweight and fast

Windows users needing a basic editor

Free

Lacks advanced IDE features

Voices from the Field—What Developers Say

Quantitative analysis and feature lists are crucial, but the qualitative experiences of developers in the trenches provide invaluable context. Community discussions reveal the practical trade-offs and real-world value propositions of these tools.

The central debate in the community often boils down to a trade-off between configuration time and subscription cost. Proponents of free tools like VS Code accept an initial investment of developer time to configure the perfect environment, while proponents of paid tools like WebStorm invest money to save that time with powerful, out-of-the-box features. For a tech lead, this trade-off can be quantified: the cost of developer hours spent on tool setup and maintenance can be weighed against the annual subscription fee of a commercial IDE. For larger teams, the "cost" of a free tool can quickly surpass the price of a paid license.

The VS Code Consensus

There is a strong consensus in the development community that VS Code has achieved a dominant position due to its flexibility and powerful ecosystem. One developer on Reddit succinctly captures this sentiment: “Visual Studio Code and the JavaScript ecosystem is a match made in Heaven.”. This highlights how well the tool's philosophy aligns with the modular and fast-moving nature of modern web development.

Another user clarifies its position in the market: “...VS Code is technically a text editor but with the right plugins, it can be a really great IDE. Also, it’s free…”. This quote encapsulates the core value proposition: it starts as a simple editor but can be molded into a full-fledged IDE at no financial cost. The LambdaTest community further specifies the features that make it so compelling, noting its “syntax highlighting, powerful debugging…builtin IntelliSense (auto‑completion)…live preview, Emmet integration…”.

The WebStorm Value Proposition

Developers who choose WebStorm, despite its cost, do so for its intelligent, project-aware features that boost productivity on complex applications. A Reddit user describes it as their “daily driver…project‑focused…indexed search…context previews”. This points to the IDE's deep understanding of the entire codebase, which enables more powerful navigation and analysis than file-based editors.

The refactoring capabilities are frequently cited as a key differentiator. 

One developer marvels at its power: “Move files around, and marvel at how all of your imports get automatically adjusted”. This single feature can save hours of tedious, error-prone work on large projects, providing a clear return on investment. However, users are also quick to point out the downsides: its resource consumption and subscription cost are the most common complaints.

How to Pick the Right IDE for You

Selecting the right IDE for web development is a critical decision that should be approached systematically. The ideal tool is not universal; it depends on a careful alignment of its features with the specific needs of the project, the team, and the existing tech stack. The IDE should be considered a formal component of a project's architecture, just like the choice of a framework or database. 

Standardizing on an IDE (or a set of approved, pre-configured options) during project kickoff ensures consistency, reduces configuration drift between developers, and streamlines the onboarding process for new team members.

Which IDE should you choose

1. Match Features to Your Primary Workflow

The first step is to identify the most critical tasks in your team's daily workflow and prioritize IDEs that excel at them.

  • For teams with a strong visual design focus, a robust Live Preview is essential. While Brackets was a pioneer, VS Code with the Live Server extension now provides excellent real-time feedback.

  • When working on large, evolving codebases, powerful, project-wide Refactoring tools are paramount. This is a key strength of JetBrains IDEs like WebStorm and IntelliJ IDEA.

  • For projects built with TypeScript, intelligent Auto-completion and deep type-awareness are non-negotiable. Both WebStorm and a well-configured VS Code offer excellent support in this area.

  • Full-stack teams that need to manage a complex backend and frontend simultaneously should prioritize strong Multi-language support. IntelliJ IDEA and VS Code are top contenders here.

  • Teams looking to leverage AI should evaluate the integrated AI assistants in JetBrains IDEs or the GitHub Copilot extension for VS Code. However, the 2025 Stack Overflow survey indicates that while 84% of developers use AI tools, 46% distrust their accuracy, highlighting the need for careful human verification.

2. Assess System Performance and Learning Curve

The practical constraints of hardware and team experience must be considered.

  • For developers on lower-powered machines or those who value instantaneous startup times, a lightweight option like Sublime Text or a minimally extended VS Code is preferable.

  • If a team is willing to allocate more system resources in exchange for greater out-of-the-box power, a full-featured IDE like WebStorm or IntelliJ IDEA is a valid choice.

  • The learning curve is also a factor. A tool requiring extensive manual configuration, like a heavily customized VS Code or Eclipse, can slow down the onboarding of new team members compared to an IDE that is powerful from the start.

3. Try Before You Commit

No amount of research can replace hands-on experience.

  • Nearly all premium IDEs offer free trial periods. WebStorm, for example, provides a full-featured 30-day trial that is ample time for a thorough evaluation.

  • The majority of the top contenders have excellent free versions, including VS Code, Eclipse, NetBeans, and the Community Editions of IntelliJ IDEA and PyCharm.

  • A highly effective evaluation strategy is to have the team use a new IDE for a full development sprint or a small, self-contained project. This provides a realistic assessment of how the tool performs under real-world conditions and fits into the team's established workflow.

Conclusion

The choice of an Integrated Development Environment (IDE) for web development hinges on project requirements, team workflow, and personal preference.

Visual Studio Code provides a free, highly extensible platform, while JetBrains offers powerful, integrated paid tools like WebStorm. Data from the 2025 Stack Overflow Developer Survey shows Visual Studio Code's continued widespread use, though many professional teams invest in paid options for their immediate productivity advantages.

VS Code Popular

Looking ahead, the industry trend points toward two major shifts: the deeper integration of intelligent coding assistants and the consolidation of development ecosystems. This suggests that editors will become smarter and more connected to the entire software lifecycle.

The most effective method is to test the leading contenders to discover the optimal balance of capability and simplicity for your specific needs.

FAQ Section

1) Which IDE is used for web development?

The most popular choices for an IDE for web development include Visual Studio Code, WebStorm, IntelliJ IDEA, Sublime Text, and Atom. Other widely used options are Brackets, Eclipse, NetBeans, PyCharm, and Notepad++. The specific choice depends on the project's requirements and the developer's preferences.

2) Is VS Code an IDE?

Technically, Visual Studio Code is a source code editor. However, its capabilities are vastly expanded through a rich ecosystem of extensions. With features like an integrated debugger, built-in Git support, and intelligent code completion (IntelliSense), it functions as a full-featured IDE for web development for the vast majority of its users.

3) What IDE is used for HTML?

Any modern web development IDE on this list can handle HTML effectively. Brackets is particularly well-regarded for beginners because of its real-time Live Preview feature, which instantly shows how code changes affect the browser view. Visual Studio Code is also an excellent choice, offering built-in Emmet support for rapid code generation, powerful syntax highlighting, and live server extensions.

4) What IDE do most developers use?

According to the 2025 Stack Overflow Developer Survey, Visual Studio Code is the most-used IDE by a significant margin, holding the top position for the fifth consecutive year. Its combination of being free, highly extensible, and cross-platform has made it the tool of choice for a large portion of the global developer community. WebStorm is also extremely popular, especially within professional frontend teams who require specialized JavaScript tooling.

Overview

Ready to build real products at lightning speed?

Try the AI platform to turn your idea into reality in minutes!

Other Articles

Figma Design To Code: Step-by-Step Guide 2025
Figma Design To Code: Step-by-Step Guide 2025

Figma Design To Code: Step-by-Step Guide 2025

The gap between a finished design and functional code is a known friction point in product development. For non-coders, it’s a barrier. For busy frontend developers, it's a source of repetitive work that consumes valuable time. The process of translating a Figma design to code, while critical, is often manual and prone to error.

This article introduces the concept of Figma design to code automation. We will walk through how Dualite Alpha bridges the design-to-development gap. It offers a way to quickly turn static designs into usable, production-ready frontend code, directly in your browser.

Why “Figma Design to Code” Matters

UI prototyping is the stage where interactive mockups are created. The design handoff is the point where these approved designs are passed to developers for implementation. Dualite fits into this ecosystem by automating the handoff, turning a visual blueprint into a structural codebase.

The benefits are immediate and measurable.

  • Saves Time: Research shows that development can be significantly faster with automated systems. A study by Sparkbox found that using a design system made a simple form page 47% faster to develop versus coding it from scratch. This frees up developers to focus on complex logic.

  • Reduces Errors: Manual translation introduces human error. Automated conversion ensures visual and structural consistency between the Figma file and the initial codebase. According to Aufait UX, teams using design systems can reduce errors by as much as 60%.

  • Smoother Collaboration: Tools that automate code generation act as a common language between designers and developers. They reduce the back-and-forth communication that often plagues projects. Studies on designer-developer collaboration frequently point to communication issues as a primary challenge.

Why “Figma Design to Code” Matters


This approach helps both non-coders and frontend developers. It provides a direct path to creating responsive layouts and functional components, accelerating the entire development lifecycle.

Getting Started with Dualite Alpha

Dualite Alpha is a platform that handles the entire workflow from design to deployment. It operates within your browser, requiring no server storage for your projects. This enhances security and privacy.

Its core strengths are:

  • Direct Figma Integration: Dualite works with Figma without needing an extra plugin. You can connect your designs directly.

  • Automated Code Generation: The platform intelligently interprets Figma designs to produce clean, structured code.

  • Frontend Framework Support: It generates code for React, Tailwind CSS, and plain HTML/CSS, fitting into modern tech stacks.


Getting Started with Dualite Alpha


Dualite serves as a powerful accelerator for any team looking to improve its Figma design to code workflow.

Figma Design to Code: Step-by-Step Tutorial

The following tutorial breaks down the process of converting your designs into code. For a visual guide, the video below offers a complete masterclass, showing how to build a functional web application from a Figma file using Dualite Alpha. The demonstration covers building a login page, handling page redirection, making components functional, and ensuring responsiveness.


Step 1: Open Dualite and Connect Your Figma Account

First, go to dualite.dev and select "Try Dualite Now" to open the Dualite (Alpha) interface. Within the start screen, click on the Figma icon and then "Connect Figma." You will be prompted to authorize the connection via an oAuth window. It is crucial to select the Figma account that owns the design file you intend to use.

Open Dualite and Connect Your Figma Account


Open Dualite and Connect Your Figma Account



Open Dualite and Connect Your Figma Account


Step 2: Copy the Link to Your Figma Selection

In Figma, open your design file and select the specific Frame, Component, or Instance that you want to convert. Right-click on your selection, go to "Copy/Paste as," and choose "Copy link to selection."

Step 3: Import Your Figma Design into Dualite

Return to Dualite and paste the copied URL into the "Import from Figma" field. Click "Import." Dualite will process the link, and a preview of your design will appear along with a green checkmark to indicate that the design has been recognized.

Import Your Figma Design into Dualite



Import Your Figma Design into Dualite


Step 4: Confirm and Continue

Review the preview to ensure it accurately represents your selection. If everything looks correct, click "Continue with this design" to proceed.

Step 5: Select the Target Stack and Generate the Initial Build

In the "Framework" dropdown menu, choose your desired stack, such as React. Then, in the chat box, provide a simple instruction like, "Build this website based on the Figma file." Dualite will then parse the imported design and generate the working code along with a live preview.

Select the Target Stack and Generate the Initial Build


Step 6: Iterate and Refine with Chat Commands

You can make further changes to your design using short, conversational follow-ups in the chat. For instance, you can request to make the hero section responsive for mobile, turn a button into a link, or extract the navigation bar into a reusable component. This iterative chat feature is designed for making stepwise changes after the initial build.

Step 7: Inspect, Edit, and Export Your Code

You can switch between the "Preview" and "Code" views using the toggle at the top of the screen. This allows you to open files, tweak styles or logic, and save your changes directly within Dualite’s editor. When you are finished, you can download the code as a ZIP file to use it locally. Alternatively, you can push the code to GitHub with the built-in two-way sync, which allows you to import an existing repository, push changes, or create a new repository from your project.

Step 8: Deploy Your Website

Finally, to publish your site, click "Deploy" in the top-right corner and connect your Netlify account.

This is highly useful for teams that need to prototype quickly. It also strengthens collaboration between design and development by providing a shared, code-based foundation. Research from zeroheight shows that design-to-development handoff efficiency can increase by 50% with such systems.

Conclusion

Dualite simplifies the Figma design to code process. It provides a practical, efficient solution for turning visual concepts into tangible frontend code.

The platform benefits both designers and developers. It creates a bridge between roles, reducing friction and speeding up the development cycle. By adopting a hybrid approach—using generated code as a foundation and refining it—teams can gain a significant advantage in their workflow. 

The future of frontend development is about working smarter, and tools like Dualite are central to that objective. The efficiency of a Figma design to code workflow is a clear step forward. A focus on better tools will continue to improve the Figma design to code process. This makes the Figma design to code strategy a valuable one. For any team, improving the Figma design to code pipeline is a worthy goal.


FAQ Section

1) Can I convert Figma design to code? 

Yes. Tools like Dualite let you convert Figma designs into React, HTML/CSS, or Tailwind CSS code with a few clicks. Figma alone provides only basic CSS snippets, not full layouts or structure.

2) Can ChatGPT convert Figma design to code? 

Not directly. ChatGPT cannot parse Figma files. You can describe a design and ask for code suggestions, but it cannot generate accurate front-end layouts from actual Figma prototypes.

3) Does Figma provide code for design? 

Figma’s Dev Mode offers CSS and SVG snippets, but not full production-ready code. Most developers still hand-write the structure, style, and logic based on those hints.

4) What tool converts Figma to code? 

Dualite is one such tool that turns Figma designs into clean code quickly. Other tools exist, but users report mixed results—often fine for prototypes, but not always clean or maintainable.

Figma & No-code

Shivam Agarwal

Featured image for an article on Secure code review checklist
Featured image for an article on Secure code review checklist

Secure Code Review Checklist for Developers

Writing secure code is non-negotiable in modern software development. A single vulnerability can lead to data breaches, system downtime, and a loss of user trust. The simplest, most effective fix is to catch these issues before they reach production. This is accomplished through a rigorous code review process, guided by a secure code review checklist.

A secure code review checklist is a structured set of guidelines and verification points used during the code review process. It ensures that developers consistently check for common security vulnerabilities and adhere to best practices. For instance, a checklist item might ask, "Is all user-supplied input validated and sanitized to prevent injection attacks (e.g., SQLi, XSS)?

This article provides a detailed guide to creating and using such a checklist, helping you build more resilient and trustworthy applications from the ground up. We will cover why a checklist is essential, how to prepare for a review, core items to include, and how to integrate automation to make the process efficient and repeatable.

TL;DR: Secure Code Review Checklist

A secure code review checklist is a structured guide to ensure code is free from common security flaws before reaching production. The core items include:

  • Input Validation – Validate and sanitize all user input on the server side.


  • Output Encoding – Use context-aware encoding to prevent XSS.


  • Authentication & Authorization – Enforce server-side checks, hash & salt passwords, follow least privilege.


  • Error Handling & Logging – Avoid leaking sensitive info, log security-relevant events without secrets.


  • Data Encryption – Encrypt data at rest and in transit using strong standards (TLS 1.2+, AES-256).


  • Session Management – Secure tokens, timeouts, HttpOnly & Secure cookies.


  • Dependency Management – Use SCA tools, keep libraries updated.


  • Logging & Monitoring – Track suspicious activity, monitor alerts, protect log files.


  • Threat Modeling – Continuously validate assumptions and attack vectors.


  • Secure Coding Practices – Follow OWASP, CERT, and language-specific standards.

Use this checklist during manual reviews, supported by automation (SAST/SCA tools), to catch vulnerabilities early, reduce costs, and standardize secure development practices.

Why Use a Secure Code Review Checklist?

Code quality and vulnerability assessment are two sides of the same coin. A checklist provides a systematic approach to both. It helps standardize the review process across your entire team, ensuring no critical security checks are overlooked. This is why we use a secure code review checklist.

The primary benefit is catching security issues early in the development lifecycle. Fixing a vulnerability during development is significantly less costly and time-consuming than patching it in production. According to a report by the Systems Sciences Institute at IBM, a bug found in production is six times more expensive to fix than one found during design and implementation.

Organizations like the Open Web Application Security Project (OWASP) provide extensive community-vetted resources that codify decades of security wisdom. A checklist helps you put this wisdom into practice. Even if the checklist items seem obvious, the act of using one frames the reviewer's mindset, focusing their attention specifically on security concerns. This focus alone significantly increases the likelihood of detecting vulnerabilities that might otherwise be missed.

  • Standardization: Ensures every piece of code gets the same security scrutiny.

  • Efficiency: Guides reviewers to the most critical areas quickly.

  • Early Detection: Finds and fixes flaws before they become major problems.

  • Knowledge Sharing: Acts as a teaching tool for junior developers.

Preparing Your Secure Code Review

A successful review starts before you look at a single line of code. Proper preparation ensures your efforts are focused and effective. Without a plan, reviews can become unstructured and miss critical risks.

Preparing Your Secure Code Review

Threat Modeling First

Before reviewing code, you must understand the application's potential threats. Threat modeling is a process where you identify security risks and potential vulnerabilities.

Ask questions like:

  • Where does the application handle sensitive data?

  • What are the entry points for user input?

  • How do different components authenticate with each other?

  • What external systems does the application trust?

This analysis helps you pinpoint high-risk areas of the codebase architecture that demand the most attention.

Define Objectives

Clarify the goals of the review. Are you hunting for specific bugs, verifying compliance with a security standard, or improving overall code quality? Defining your objectives helps focus the review and measure its success.

Set Scope

You do not have to review the entire codebase at once. Start with the most critical and high-risk code segments identified during threat modeling.

Focus initial efforts on:

  • Authentication and Authorization Logic: Code that handles user logins and permissions.

  • Session Management: Functions that create and manage user sessions.

  • Data Encryption Routines: Any code that encrypts or decrypts sensitive information.

  • Input Handling: Components that process data from users or external systems.

Gather the Right Tools and People

Assemble a review team with a good mix of skills. Include the developer who wrote the code, a security-minded developer, and, if possible, a dedicated security professional. This combination of perspectives provides a more thorough assessment.

Equip the team with the proper tools, including access to the project's documentation and specialized software. For instance, static analysis tools can automatically scan for vulnerabilities. For threat modeling, you might use OWASP Threat Dragon, and for automation, a platform like GitHub Actions can integrate security checks directly into the workflow.

Core Secure Code Review Checklist Items

This section contains the fundamental items that should be part of any review. Each one targets a common area where security vulnerabilities appear.

1) Input Validation

Attackers exploit applications by sending malicious or unexpected input. Proper input validation is your first line of defense.

  • Validate on the Server Side: Never trust client-side validation alone. Attackers can easily bypass it. Always re-validate all inputs on the server.

  • Classify Data: Separate data into trusted (from internal systems) and untrusted (from users or external APIs) sources. Scrutinize all untrusted data.

  • Centralize Routines: Create and use a single, well-tested library for all input validation. This avoids duplicated effort and inconsistent logic.

  • Canonicalize Inputs: Convert all input into a standard, simplified form before processing. For example, enforce UTF-8 encoding to prevent encoding-based attacks.

2) Output Encoding

Output encoding prevents attackers from injecting malicious scripts into the content sent to a user's browser. This is the primary defense against Cross-Site Scripting (XSS).

  • Encode on the Server: Always perform output encoding on the server, just before sending it to the client.

  • Use Context-Aware Encoding: The method of encoding depends on where the data will be placed. Use specific routines for HTML bodies, HTML attributes, JavaScript, and CSS.

  • Utilize Safe Libraries: Employ well-tested libraries provided by your framework to handle encoding. Avoid writing your own encoding functions.

3) Authentication & Authorization

Authentication confirms a user's identity, while authorization determines what they are allowed to do. Flaws in these areas can give attackers complete control.

  • Enforce on the Server: All authentication and authorization checks must occur on the server.

  • Use Tested Services: Whenever possible, integrate with established identity providers or use your framework's built-in authentication mechanisms.

  • Centralize Logic: Place all authorization checks in a single, reusable location to ensure consistency.

  • Hash and Salt Passwords: Never store passwords in plain text. Use a strong, adaptive hashing algorithm like Argon2 or bcrypt with a unique salt for each user.

  • Use Vague Error Messages: On login pages, use generic messages like "Invalid username or password." Specific messages ("User not found") help attackers identify valid accounts.

  • Secure External Credentials: Protect API keys, database credentials, and other secrets. Store them outside of your codebase using a secrets management tool.

4) Error Handling & Logging

Proper error handling prevents your application from leaking sensitive information when something goes wrong.

  • Avoid Sensitive Data in Errors: Error messages shown to users should never contain stack traces, database queries, or other internal system details.

  • Log Sufficient Context: Your internal logs should contain enough information for debugging, such as a timestamp, the affected user ID (if applicable), and the error details.

  • Do Not Log Secrets: Ensure that passwords, API keys, session tokens, and other sensitive data are never written to logs.

5) Data Encryption

Data must be protected both when it is stored (at rest) and when it is being transmitted (in transit).

  • Encrypt Data in Transit: Use Transport Layer Security (TLS) 1.2 or higher for all communication between the client and server.

  • Encrypt Data at Rest: Protect sensitive data stored in databases, files, or backups.

  • Use Proven Standards: Implement strong, industry-accepted encryption algorithms like AES-256. For databases, use features like Transparent Data Encryption (TDE) or column-level encryption for the most sensitive fields.

6) Session Management & Access Controls

Once a user is authenticated, their session must be managed securely. Access controls ensure users can only perform actions they are authorized for.

  • Secure Session Tokens: Generate long, random, and unpredictable session identifiers. Do not include any sensitive information within the token itself.

  • Expire Sessions Properly: Sessions should time out after a reasonable period of inactivity. Provide users with a clear log-out function that invalidates the session on the server.

  • Guard Cookies: Set the Secure and HttpOnly flags on session cookies. This prevents them from being sent over unencrypted connections or accessed by client-side scripts.

  • Enforce Least Privilege: Users and system components should only have the minimum permissions necessary to perform their functions.

7) Dependency Management

Modern applications are built on a foundation of third-party libraries and frameworks. A vulnerability in one of these dependencies is a vulnerability in your application.

  • Use Software Composition Analysis (SCA) Tools: These tools scan your project to identify third-party components with known vulnerabilities.

  • Keep Dependencies Updated: Regularly update your dependencies to their latest stable versions. Studies from organizations like Snyk regularly show that a majority of open-source vulnerabilities have fixes available. A 2025 Snyk report showed projects using automated dependency checkers fix vulnerabilities 40% faster.

8) Logging & Monitoring

Secure logging and monitoring help you detect and respond to attacks in real-time.

  • Track Suspicious Activity: Log security-sensitive events such as failed login attempts, access-denied errors, and changes to permissions.

  • Monitor Logs: Use automated tools to monitor logs for patterns that could indicate an attack. Set up alerts for high-priority events.

  • Protect Your Logs: Ensure that log files are protected from unauthorized access or modification.

9) Threat Modeling

During the review, continuously refer back to your threat model. This helps maintain focus on the most likely attack vectors.

  • Review Data Flows: Trace how data moves through the application.

  • Validate Trust Boundaries: Pay close attention to points where the application interacts with external systems or receives user input.

  • Question Assumptions: Could an attacker manipulate this data flow? Could they inject code or bypass a security control?

10) Code Readability & Secure Coding Standards

Clean, readable code is easier to secure. Ambiguous or overly complex logic can hide subtle security flaws.

  • Write Clear Code: Use meaningful variable names, add comments where necessary, and keep functions short and focused.

  • Use Coding Standards: Adhere to established secure coding standards for your language. Some great resources are the OWASP Secure Coding Practices, the SEI CERT Coding Standards, and language-specific guides.

11) Secure Data Storage

How and where you store sensitive data is critical. This goes beyond just encrypting the database.

  • Protect Backups: Ensure that database backups are encrypted and stored in a secure location with restricted access.

  • Sanitize Data: When using production data in testing or development environments, make sure to sanitize it to remove any real user information.

  • Limit Data Retention: Only store sensitive data for as long as it is absolutely necessary. Implement and follow a clear data retention policy.

Automated Tools to Boost Your Checklist

Manual reviews are essential for understanding context and business logic, but they can be slow and prone to human error. For smaller teams, free and open-source tools like SonarQube, Snyk, and Semgrep perfectly complement a manual secure code review checklist by catching common issues quickly and consistently.

Integrate SAST and SCA into CI/CD

Integrate Static Application Security Testing (SAST) and Software Composition Analysis (SCA) tools directly into your Continuous Integration/Continuous Deployment (CI/CD) pipeline. This automates the initial security scan on every code commit.

  • SAST Tools: These tools analyze your source code without executing it. They are excellent at finding vulnerabilities like SQL injection, buffer overflows, and insecure configurations.

  • SCA Tools: These tools identify all the open-source libraries in your codebase and check them against a database of known vulnerabilities.

Configure Security-Focused Rules

Configure your automated tools to enforce specific security rules tied to standards like OWASP Top 10 or the SEI CERT standards. This ensures that the automated checks are directly connected to your security requirements.

Popular Static Analysis Tools

Several tools can help automate parts of your review:

  • PVS-Studio: A static analyzer for C, C++, C#, and Java code.

  • Semgrep: A fast, open-source static analysis tool that supports many languages and allows for custom rules.

  • SonarQube: An open-platform to manage code quality, which includes security analysis features.

Automated code review cycle

Running The Review

With your preparation complete and checklist in hand, it is time to conduct the review. A structured approach makes the process more efficient and less draining for the participants.

Timebox Your Sessions

Limit each review session to about 60-90 minutes. Longer sessions can lead to fatigue and reduced focus, making it more likely that reviewers will miss important issues. It is better to have multiple short, focused sessions than one long, exhaustive one.

Apply the Checklist Systematically

Work through your checklist steadily. Start with the high-risk areas you identified during threat modeling. Use a combination of automated tools and manual inspection.

  1. Run Automated Scans First: Let SAST and SCA tools perform an initial pass to catch low-hanging fruit.

  2. Manually Inspect High-Risk Code: Use your expertise and the checklist to examine authentication, authorization, and data handling logic.

  3. Validate Business Logic: Check for flaws in the application's logic that an automated tool would miss.

Track Metrics for Improvement

To make your process repeatable and measurable, track key metrics.

Metric

Description

Purpose

Tracking Tools

Inspection Rate

Lines of code reviewed per hour.

Helps in planning future reviews.

Code review systems (Crucible, Gerrit) or custom dashboards (Grafana, Tableau) pulling data from version control.

Defect Density

Number of defects found per 1,000 lines of code.

Measures code quality over time.

Static analysis tools (SonarQube) and issue trackers (Jira, GitHub Issues).

Time to Remediate

Time taken to fix a reported issue.

Measures the efficiency of your response process.

Issue trackers like Jira, GitHub Issues, Asana, or service desk software like Zendesk.

Keeping Your Process Up to Date

Security is not a one-time activity. The threat environment is constantly changing, and your review process must adapt. An effective secure code review checklist is a living document.

Update for New Threats

Regularly review and update your checklist to include checks for new types of vulnerabilities. Stay informed by following security publications from organizations like NIST and OWASP. When a new major vulnerability is disclosed (like Log4Shell), update your checklist to include specific checks for it.

Build a Security-First Mindset

The ultimate goal is to create a team where everyone thinks about security. Use the code review process as an educational opportunity. When you find a vulnerability, explain the risk and the correct way to fix it. This continuous training builds a stronger, more security-aware engineering team.

Sample “Starter” Checklist

Here is a starter secure code review checklist based on the principles discussed. You can use this as a foundation and customize it for your specific tech stack and application. This is structured in a format you can use in a GitHub pull request template.

For a more detailed baseline, the OWASP Code Review Guide and the associated Quick Reference Guide are excellent resources.

Input Validation

  • [Critical] Is the application protected against injection attacks (SQLi, XSS, Command Injection)?

  • [Critical] Is all untrusted input validated on the server side?

  • [High] Is input checked for length, type, and format?

  • [Medium] Is a centralized input validation routine used?

Authentication & Authorization

  • [Critical] Are all sensitive endpoints protected with server-side authentication checks?

  • [Critical] Are passwords hashed using a strong, salted algorithm (e.g., Argon2, bcrypt)?

  • [Critical] Are authorization checks performed based on the user's role and permissions, not on incoming parameters?

  • [High] Are account lockout mechanisms in place to prevent brute-force attacks?

  • [High] Does the principle of least privilege apply to all user roles?

Session Management

  • [Critical] Are session tokens generated with a cryptographically secure random number generator?

  • [High] Are session cookies configured with the HttpOnly and Secure flags?

  • [High] Is there a secure log-out function that invalidates the session on the server?

  • [Medium] Do sessions time out after a reasonable period of inactivity?

Data Handling & Encryption

  • [Critical] Is all sensitive data encrypted in transit using TLS 1.2+?

  • [High] Is sensitive data encrypted at rest in the database and in backups?

  • [High] Are industry-standard encryption algorithms (e.g., AES-256) used?

  • [Medium] Are sensitive data or system details avoided in error messages?

Dependency Management

  • [High] Has an SCA tool been run to check for vulnerable third-party libraries?

  • [High] Are all dependencies up to their latest secure versions?

Logging & Monitoring

  • [Critical] Are secrets (passwords, API keys) excluded from all logs?

  • [Medium] Are security-relevant events (e.g., failed logins, access denials) logged?

Conclusion

Building secure software requires a deliberate and systematic effort. This is why your team needs a secure code review checklist. It provides structure, consistency, and a security-first focus to your development process. It transforms code review from a simple bug hunt into a powerful defense against attacks.

For the best results, combine the discipline of a powerful secure code review checklist with automated tools and the contextual understanding that only human reviewers can provide. This layered approach ensures you catch a wide range of issues, from simple mistakes to complex logic flaws. Begin integrating these principles and build your own secure code review checklist today. Your future self will thank you for the secure and resilient applications you create.

FAQs

1) What are the 7 steps to review code?

A standard secure code review process involves seven steps:

  1. Define review goals and scope.

  2. Gather the code and related artifacts.

  3. Run automated SAST/SCA tools for an initial scan.

  4. Perform a manual review using a checklist, focusing on high-risk areas.

  5. Document all findings clearly with actionable steps.

  6. Prioritize the documented issues based on risk.

  7. Remediate the issues and verify the fixes.

2) How to perform a secure code review?

To perform a secure code review, you should first define your objectives and scope, focusing on high-risk application areas. Then, use a checklist to guide your manual inspection, and supplement your review with SAST and SCA tools. Document your findings and follow up to ensure fixes are correctly implemented.

3) What is a code review checklist?

A secure code review checklist is a structured list of items that guides a reviewer. It ensures consistent and thorough coverage of critical security areas like input validation, authentication, and encryption, helping to prevent common vulnerabilities and avoid gaps in the review process.

4) What are SAST tools during code review?

SAST stands for Static Application Security Testing. These tools automatically scan an application's source code for known vulnerability patterns without running the code. Tools like PVS-Studio, Semgrep, or SonarQube can find potential issues such as SQL injection, buffer overflows, and insecure coding patterns early in development.

5) How long should a secure code review take per 1,000 LOC?

There isn't a strict time rule, as the duration depends on several factors. However, a general industry guideline for a manual review is between 1 to 4 hours per 1,000 lines of code (LOC).

Factors that influence this timing include:

  • Code Complexity: Complex business logic or convoluted code will take longer to analyze than simple, straightforward code.

  • Reviewer's Experience: A seasoned security professional will often be faster and more effective than someone new to code review.

  • Programming Language: Some languages and frameworks have more inherent security risks and require more scrutiny.

  • Scope and Depth: A quick check for the OWASP Top 10 vulnerabilities is much faster than a deep, architectural security review.

LLM & Gen AI

Shivam Agarwal

Featured image for an article on Code dependencies
Featured image for an article on Code dependencies

Code Dependencies: What They Are and Why They Matter

Dependencies in code are like ingredients for a recipe. When baking a cake, you don't grow the wheat and grind your own flour; you purchase it ready-made. Similarly, developers use pre-written code packages, known as libraries or modules, to construct complex applications without writing every single line from scratch.

These pre-made components are dependencies—external or internal pieces of code your project needs to function correctly. Managing them properly impacts your application's quality, security, and performance. When you build software, you integrate these parts created by others, which introduces a reliance on that external code. Your project's success is tied to the quality and maintenance of these components.

This article provides a detailed look into software dependencies. We will cover what they are, the different types you will encounter, and why managing them is a critical skill for any engineering team. We will also present strategies and tools to handle them effectively.

What “Dependency” Really Means in Programming

In programming, a dependency is a piece of code that your project relies on to function. These are often external libraries or modules that provide specific functionality. Think of them as pre-built components you use to add features to your application.

Code dependency

In software development, it's useful to distinguish between the general concept of dependence and the concrete term dependency.

  • Dependence is the state of relying on an external component for your code to function. It describes the "need" itself.

  • A dependency is the actual component you are relying on, such as a specific library, package, or framework.

This dependence means a change in a dependency can affect your code. For instance, if a library you use is updated or contains a bug, it directly impacts your project because of this reliance. Recognizing this is a foundational principle in software construction.

Libraries, External Modules, and Internal Code

It's useful to differentiate between a few common terms:

  • Software Libraries: These are collections of pre-written code that developers can use. For example, a library like NumPy in Python might offer functions for complex mathematical calculations. You import the library and call its functions. 

  • External Modules: This is a similar concept. An external module is a self-contained unit of code that exists outside your primary project codebase. Package managers install these modules for you to use. A well-known example is React, which is used for building user interfaces. 

  • Internal Modular Code: These are dependencies within your own project. You might break your application into smaller, reusable modules. For instance, a userAuth.js module could be used by both the authentication and profile sections of your application, creating an internal dependency.

A Community Perspective

Developers often use analogies to explain this concept. One clear explanation comes from a Reddit user, who states: “Software dependencies are external things your program relies on to work. Most commonly this means other libraries.” This simple definition captures the core idea perfectly.

Another helpful analogy from the same discussion simplifies it further: “...you rely on someone else to do the actual work and you just depend on it.” This highlights the nature of using a dependency. You integrate its functionality without needing to build it yourself.

Types of Code Dependencies: An Organized Look

Dependencies come in several forms, each relevant at different stages of the development lifecycle. Understanding these types helps you manage your project's architecture and build process more effectively. Knowing what are dependencies in code involves recognizing these distinct categories.

Common Dependency Categories

Here is a look at the most common types of dependencies you will work with.

  • Library Dependencies: These are the most common type. They consist of third-party code you import to perform specific tasks. Examples include react for building user interfaces or pandas for data manipulation in Python.

  • External Modules: This is a broad term for any code outside your immediate project. It includes libraries, frameworks, and any other packages you pull into your tech stack from an external registry.

  • Internal (Modular) Dependencies: These exist inside your project's codebase. When you structure your application into distinct modules, one module might require another to function. This creates a dependency between internal parts of your code.

  • Build Dependencies: These are tools required to build or compile your project. They are not needed for the final application to run, but they are essential during the development and compilation phase. A code transpiler like Babel is a classic example.

  • Compile-time Dependencies: These are similar to build dependencies. They are necessary only when the code is being compiled. For example, a C++ project might depend on header files that are not needed once the executable is created.

  • Runtime Dependencies: These are required when the application is actually running. A database connector, for instance, is a runtime dependency. The application needs it to connect to the database and execute queries in the production environment.

Transitive Dependencies

A critical concept is the transitive or indirect dependency. These are the dependencies of your dependencies. If your project uses Library A, and Library A uses Library B, then your project has a transitive dependency on Library B.

It's useful to distinguish this from a runtime dependency, which is any component your application needs to execute correctly in a live environment. While the two concepts often overlap, they are not identical.

Practical Example

Imagine you're building a web application using Node.js:

  • Direct Dependency: You add a library called Auth-Master to your project to handle user logins. Auth-Master is a direct dependency.

  • Transitive Dependency: Auth-Master requires another small utility library, Token-Gen, to create secure session tokens. You didn't add Token-Gen yourself, but your project now depends on it transitively.

  • Runtime Dependency: For the application to function at all, it must be executed by the Node.js runtime environment. Node.js is a runtime dependency. In this case, both Auth-Master and Token-Gen are also runtime dependencies because they are needed when the application is running to manage logins.

This illustrates that a component (Token-Gen) can be both transitive and runtime. The key difference is that "transitive" describes how you acquired the dependency (indirectly), while "runtime" describes when you need it (during execution).

These can become complex and are a major source of security vulnerabilities and license conflicts. According to the 2025 Open Source Security and Risk Analysis (OSSRA) report, 64% of open source components in applications are transitive dependencies. This shows how quickly they can multiply within a project. The tech publication DEV also points out the importance of tracking external, internal, and transitive dependencies to maintain a healthy codebase.

Why Code Dependencies Matter (and Why You Should Care)

Effective dependency management is not just an administrative task; it is central to building reliable, secure, and high-performing software. Neglecting them can introduce significant risks into your project.

Imagine a team launching a new feature, only to have the entire application crash during peak hours. After a frantic investigation, the culprit was identified: an unpatched vulnerability in an old third-party library. A simple version update, made months ago by the library's author, would have prevented the entire outage. Examining what are dependencies in code shows their direct link to project health.

1. Code Quality & Maintenance

Understanding dependencies is fundamental to good software architecture. It helps you structure code logically and predict the impact of changes. When one part of the system is modified, knowing what depends on it prevents unexpected breakages.

As the software analysis platform CodeSee explains it: “When Module A requires … Module B … we say Module A has a dependency on Module B.” This simple statement forms the basis of dependency graphs, which visualize how different parts of your code are interconnected, making maintenance much more predictable.

2. Security

Dependencies are a primary vector for security vulnerabilities. When you import a library, you are also importing any security flaws it may contain. Malicious actors frequently target popular open-source libraries to launch widespread attacks.

The threat is significant. According to the 2025 OSSRA report, a staggering 86% of audited applications contained open source vulnerabilities. The National Institute of Standards and Technology (NIST) provides extensive guidance on software supply chain security, recommending continuous monitoring and validation of third-party components as a core practice. Properly managing your dependencies is your first line of defense.

3. Performance

The performance of your application is directly tied to its dependencies. A slow or resource-intensive library can become a bottleneck, degrading the user experience. Large dependencies can also increase your application's bundle size, leading to longer load times for web applications.

By analyzing your dependencies, you can identify which ones are contributing most to performance issues. Sometimes, replacing a heavy library with a more lightweight alternative or writing a custom solution can lead to significant performance gains. This optimization is impossible without a clear picture of your project's dependency tree.

4. Legal & Licensing

Every external dependency you use comes with a software license. These licenses dictate how you can use, modify, and distribute the code. Failing to comply with these terms can lead to serious legal consequences.

License compatibility is a major concern. For example, using a library with a "copyleft" license (like the GPL) in a proprietary commercial product may require you to open-source your own code. The 2025 OSSRA report found that 56% of audited applications had license conflicts, many of which arose from transitive dependencies. Tools mentioned by DEV are essential for tracking and ensuring license compliance.

Managing Code Dependencies Like a Pro

Given their impact, you need a systematic approach to managing dependencies. Modern development relies on a combination of powerful tools and established best practices to keep dependencies in check. Truly understanding what are dependencies in code means learning how to control them.

Managing Code Dependencies

a. Dependency Management Tools

Package managers are the foundation of modern dependency management. They automate the process of finding, installing, and updating libraries. Each major programming ecosystem has its own set of tools.

  • npm (Node.js): The default package manager for JavaScript. It manages packages listed in a package.json file.

  • pip (Python): Used to install and manage Python packages. It typically works with a requirements.txt file.

  • Maven / Gradle (Java): These are build automation tools that also handle dependency management for Java projects.

  • Yarn / pnpm: Alternatives to npm that offer improvements in performance and security for managing JavaScript packages.

These tools streamline the installation process and help resolve version conflicts between different libraries.

b. Virtual Environments

A virtual environment is an isolated directory that contains a specific version of a language interpreter and its own set of libraries. This practice prevents dependency conflicts between different projects on the same machine.

For example, Project A might need version 1.0 of a library, while Project B needs version 2.0. Without virtual environments, installing one would break the other. DEV details tools like pipenv and Poetry for Python, which create these isolated environments automatically. For Node.js, nvm (Node Version Manager) allows you to switch between different Node.js versions, each with its own global packages.

c. Semantic Versioning

Semantic Versioning (SemVer) is a versioning standard that provides meaning to version numbers. A version is specified as MAJOR.MINOR.PATCH.

  • MAJOR version change indicates an incompatible API change.

  • MINOR version change adds functionality in a backward-compatible manner.

  • PATCH version change makes backward-compatible bug fixes.

As noted by CodeSee, adhering to SemVer is crucial. It allows you to specify version ranges for your dependencies safely. For instance, you can configure your package manager to accept any new patch release automatically but require manual approval for a major version update that could break your code.

d. Visualization & Analysis Tools

For complex projects, it can be difficult to see the full dependency tree. This is where visualization and analysis tools come in.

  • Software Composition Analysis (SCA) Tools: These tools scan your project to identify all open-source components, including transitive dependencies. They check for known security vulnerabilities and potential license conflicts. The OWASP Dependency-Check project is a well-known open-source SCA tool.

  • Dependency Graph Visualizers: Tools like CodeSee's dependency maps can generate interactive diagrams of your codebase. These visualizations help you understand how modules interact and identify areas of high complexity or tight coupling.

e. Refactoring for Modularity

The best way to manage dependencies is to design a system with as few of them as needed. This involves writing modular code with clean interfaces. Principles like SOLID encourage loose coupling, where components are independent and interact through stable APIs.

A benefit of modular programming is that it makes code more reusable and easier to maintain. Research from educational resources on software design confirms that breaking down a system into independent modules improves readability and simplifies debugging. When you need to change one module, the impact on the rest of the system is minimized, which is a core goal of good dependency management.

Real-World Example in OOP

Object-Oriented Programming (OOP) provides a clear illustration of dependency principles. Improper dependencies between classes can make a system rigid and difficult to maintain. This example shows why thinking about what are dependencies in code is so important at the architectural level.

Imagine two classes in an HR system: Employee and HR.

Java
// A simple Employee class
public class Employee {
    private String employeeId;
    private String name;
    private double salary;

    // Constructor, getters, and setters
    public Employee(String employeeId, String name, double salary) {
        this.employeeId = employeeId;
        this.name = name;
        this.salary = salary;
    }

    public double getSalary() {
        return salary;
    }
}

// The HR class depends directly on the Employee class
public class HR {
    public void processPaycheck(Employee employee) {
        double salary = employee.getSalary();
        // ... logic to process paycheck
        System.out.println("Processing paycheck for amount: " + salary);
    }
}

In this case, the HR class has a direct dependency on the Employee class. If the Employee class changes—for example, if the getSalary() method is renamed or its return type changes—the HR class will break. This is a simple example of a direct dependency.

A better approach is to depend on abstractions, not concrete implementations. For instance, testing classes should only rely on the public interfaces of the classes they test. This principle limits breakage when internal implementation details change, making the codebase more resilient and maintainable. For scope and technique, see unit vs functional testing and regression vs unit testing.

Conclusion

Dependencies are an integral part of modern software development. They enable us to build powerful applications by standing on the shoulders of giants. However, this power comes with responsibility. A failure to manage dependencies is a failure to manage your project's quality, security, and performance.

By understanding the different types of dependencies, from external libraries to internal modules, you can make more informed architectural decisions. Using the right tools and best practices—like package managers, virtual environments, and SCA scanners—transforms dependency management from a chore into a strategic advantage. It leads to better code, safer deployments, and smoother collaboration. The central question of what are dependencies in code is one every developer must answer to build professional-grade software.

FAQ Section

1) What are examples of dependencies?

Dependencies include software libraries (e.g., Lodash), external modules (npm packages), internal shared utilities, test frameworks (a build dependency), and runtime libraries like database connectors.

2) What do you mean by dependencies?

Dependencies are external or internal pieces of code that your project requires to function correctly. Your code "depends" on them to execute its tasks.

3) What are the dependencies of a programming language?

These include its runtime environment (like an interpreter or compiler), its standard library of built-in functions, and its toolchain, which consists of package managers and build tools.

4) What are dependencies on a computer?

These are system-level libraries or packages an application needs to run. Examples include graphics drivers, system fonts like OpenSSL, or installed runtimes such as the Java Virtual Machine (JVM) or .NET Framework.

Shivam Agarwal

Figma Design To Code: Step-by-Step Guide 2025

Figma Design To Code: Step-by-Step Guide 2025

The gap between a finished design and functional code is a known friction point in product development. For non-coders, it’s a barrier. For busy frontend developers, it's a source of repetitive work that consumes valuable time. The process of translating a Figma design to code, while critical, is often manual and prone to error.

This article introduces the concept of Figma design to code automation. We will walk through how Dualite Alpha bridges the design-to-development gap. It offers a way to quickly turn static designs into usable, production-ready frontend code, directly in your browser.

Why “Figma Design to Code” Matters

UI prototyping is the stage where interactive mockups are created. The design handoff is the point where these approved designs are passed to developers for implementation. Dualite fits into this ecosystem by automating the handoff, turning a visual blueprint into a structural codebase.

The benefits are immediate and measurable.

  • Saves Time: Research shows that development can be significantly faster with automated systems. A study by Sparkbox found that using a design system made a simple form page 47% faster to develop versus coding it from scratch. This frees up developers to focus on complex logic.

  • Reduces Errors: Manual translation introduces human error. Automated conversion ensures visual and structural consistency between the Figma file and the initial codebase. According to Aufait UX, teams using design systems can reduce errors by as much as 60%.

  • Smoother Collaboration: Tools that automate code generation act as a common language between designers and developers. They reduce the back-and-forth communication that often plagues projects. Studies on designer-developer collaboration frequently point to communication issues as a primary challenge.

Why “Figma Design to Code” Matters


This approach helps both non-coders and frontend developers. It provides a direct path to creating responsive layouts and functional components, accelerating the entire development lifecycle.

Getting Started with Dualite Alpha

Dualite Alpha is a platform that handles the entire workflow from design to deployment. It operates within your browser, requiring no server storage for your projects. This enhances security and privacy.

Its core strengths are:

  • Direct Figma Integration: Dualite works with Figma without needing an extra plugin. You can connect your designs directly.

  • Automated Code Generation: The platform intelligently interprets Figma designs to produce clean, structured code.

  • Frontend Framework Support: It generates code for React, Tailwind CSS, and plain HTML/CSS, fitting into modern tech stacks.


Getting Started with Dualite Alpha


Dualite serves as a powerful accelerator for any team looking to improve its Figma design to code workflow.

Figma Design to Code: Step-by-Step Tutorial

The following tutorial breaks down the process of converting your designs into code. For a visual guide, the video below offers a complete masterclass, showing how to build a functional web application from a Figma file using Dualite Alpha. The demonstration covers building a login page, handling page redirection, making components functional, and ensuring responsiveness.


Step 1: Open Dualite and Connect Your Figma Account

First, go to dualite.dev and select "Try Dualite Now" to open the Dualite (Alpha) interface. Within the start screen, click on the Figma icon and then "Connect Figma." You will be prompted to authorize the connection via an oAuth window. It is crucial to select the Figma account that owns the design file you intend to use.

Open Dualite and Connect Your Figma Account


Open Dualite and Connect Your Figma Account



Open Dualite and Connect Your Figma Account


Step 2: Copy the Link to Your Figma Selection

In Figma, open your design file and select the specific Frame, Component, or Instance that you want to convert. Right-click on your selection, go to "Copy/Paste as," and choose "Copy link to selection."

Step 3: Import Your Figma Design into Dualite

Return to Dualite and paste the copied URL into the "Import from Figma" field. Click "Import." Dualite will process the link, and a preview of your design will appear along with a green checkmark to indicate that the design has been recognized.

Import Your Figma Design into Dualite



Import Your Figma Design into Dualite


Step 4: Confirm and Continue

Review the preview to ensure it accurately represents your selection. If everything looks correct, click "Continue with this design" to proceed.

Step 5: Select the Target Stack and Generate the Initial Build

In the "Framework" dropdown menu, choose your desired stack, such as React. Then, in the chat box, provide a simple instruction like, "Build this website based on the Figma file." Dualite will then parse the imported design and generate the working code along with a live preview.

Select the Target Stack and Generate the Initial Build


Step 6: Iterate and Refine with Chat Commands

You can make further changes to your design using short, conversational follow-ups in the chat. For instance, you can request to make the hero section responsive for mobile, turn a button into a link, or extract the navigation bar into a reusable component. This iterative chat feature is designed for making stepwise changes after the initial build.

Step 7: Inspect, Edit, and Export Your Code

You can switch between the "Preview" and "Code" views using the toggle at the top of the screen. This allows you to open files, tweak styles or logic, and save your changes directly within Dualite’s editor. When you are finished, you can download the code as a ZIP file to use it locally. Alternatively, you can push the code to GitHub with the built-in two-way sync, which allows you to import an existing repository, push changes, or create a new repository from your project.

Step 8: Deploy Your Website

Finally, to publish your site, click "Deploy" in the top-right corner and connect your Netlify account.

This is highly useful for teams that need to prototype quickly. It also strengthens collaboration between design and development by providing a shared, code-based foundation. Research from zeroheight shows that design-to-development handoff efficiency can increase by 50% with such systems.

Conclusion

Dualite simplifies the Figma design to code process. It provides a practical, efficient solution for turning visual concepts into tangible frontend code.

The platform benefits both designers and developers. It creates a bridge between roles, reducing friction and speeding up the development cycle. By adopting a hybrid approach—using generated code as a foundation and refining it—teams can gain a significant advantage in their workflow. 

The future of frontend development is about working smarter, and tools like Dualite are central to that objective. The efficiency of a Figma design to code workflow is a clear step forward. A focus on better tools will continue to improve the Figma design to code process. This makes the Figma design to code strategy a valuable one. For any team, improving the Figma design to code pipeline is a worthy goal.


FAQ Section

1) Can I convert Figma design to code? 

Yes. Tools like Dualite let you convert Figma designs into React, HTML/CSS, or Tailwind CSS code with a few clicks. Figma alone provides only basic CSS snippets, not full layouts or structure.

2) Can ChatGPT convert Figma design to code? 

Not directly. ChatGPT cannot parse Figma files. You can describe a design and ask for code suggestions, but it cannot generate accurate front-end layouts from actual Figma prototypes.

3) Does Figma provide code for design? 

Figma’s Dev Mode offers CSS and SVG snippets, but not full production-ready code. Most developers still hand-write the structure, style, and logic based on those hints.

4) What tool converts Figma to code? 

Dualite is one such tool that turns Figma designs into clean code quickly. Other tools exist, but users report mixed results—often fine for prototypes, but not always clean or maintainable.

Figma & No-code

Shivam Agarwal

Featured image for an article on Secure code review checklist

Secure Code Review Checklist for Developers

Writing secure code is non-negotiable in modern software development. A single vulnerability can lead to data breaches, system downtime, and a loss of user trust. The simplest, most effective fix is to catch these issues before they reach production. This is accomplished through a rigorous code review process, guided by a secure code review checklist.

A secure code review checklist is a structured set of guidelines and verification points used during the code review process. It ensures that developers consistently check for common security vulnerabilities and adhere to best practices. For instance, a checklist item might ask, "Is all user-supplied input validated and sanitized to prevent injection attacks (e.g., SQLi, XSS)?

This article provides a detailed guide to creating and using such a checklist, helping you build more resilient and trustworthy applications from the ground up. We will cover why a checklist is essential, how to prepare for a review, core items to include, and how to integrate automation to make the process efficient and repeatable.

TL;DR: Secure Code Review Checklist

A secure code review checklist is a structured guide to ensure code is free from common security flaws before reaching production. The core items include:

  • Input Validation – Validate and sanitize all user input on the server side.


  • Output Encoding – Use context-aware encoding to prevent XSS.


  • Authentication & Authorization – Enforce server-side checks, hash & salt passwords, follow least privilege.


  • Error Handling & Logging – Avoid leaking sensitive info, log security-relevant events without secrets.


  • Data Encryption – Encrypt data at rest and in transit using strong standards (TLS 1.2+, AES-256).


  • Session Management – Secure tokens, timeouts, HttpOnly & Secure cookies.


  • Dependency Management – Use SCA tools, keep libraries updated.


  • Logging & Monitoring – Track suspicious activity, monitor alerts, protect log files.


  • Threat Modeling – Continuously validate assumptions and attack vectors.


  • Secure Coding Practices – Follow OWASP, CERT, and language-specific standards.

Use this checklist during manual reviews, supported by automation (SAST/SCA tools), to catch vulnerabilities early, reduce costs, and standardize secure development practices.

Why Use a Secure Code Review Checklist?

Code quality and vulnerability assessment are two sides of the same coin. A checklist provides a systematic approach to both. It helps standardize the review process across your entire team, ensuring no critical security checks are overlooked. This is why we use a secure code review checklist.

The primary benefit is catching security issues early in the development lifecycle. Fixing a vulnerability during development is significantly less costly and time-consuming than patching it in production. According to a report by the Systems Sciences Institute at IBM, a bug found in production is six times more expensive to fix than one found during design and implementation.

Organizations like the Open Web Application Security Project (OWASP) provide extensive community-vetted resources that codify decades of security wisdom. A checklist helps you put this wisdom into practice. Even if the checklist items seem obvious, the act of using one frames the reviewer's mindset, focusing their attention specifically on security concerns. This focus alone significantly increases the likelihood of detecting vulnerabilities that might otherwise be missed.

  • Standardization: Ensures every piece of code gets the same security scrutiny.

  • Efficiency: Guides reviewers to the most critical areas quickly.

  • Early Detection: Finds and fixes flaws before they become major problems.

  • Knowledge Sharing: Acts as a teaching tool for junior developers.

Preparing Your Secure Code Review

A successful review starts before you look at a single line of code. Proper preparation ensures your efforts are focused and effective. Without a plan, reviews can become unstructured and miss critical risks.

Preparing Your Secure Code Review

Threat Modeling First

Before reviewing code, you must understand the application's potential threats. Threat modeling is a process where you identify security risks and potential vulnerabilities.

Ask questions like:

  • Where does the application handle sensitive data?

  • What are the entry points for user input?

  • How do different components authenticate with each other?

  • What external systems does the application trust?

This analysis helps you pinpoint high-risk areas of the codebase architecture that demand the most attention.

Define Objectives

Clarify the goals of the review. Are you hunting for specific bugs, verifying compliance with a security standard, or improving overall code quality? Defining your objectives helps focus the review and measure its success.

Set Scope

You do not have to review the entire codebase at once. Start with the most critical and high-risk code segments identified during threat modeling.

Focus initial efforts on:

  • Authentication and Authorization Logic: Code that handles user logins and permissions.

  • Session Management: Functions that create and manage user sessions.

  • Data Encryption Routines: Any code that encrypts or decrypts sensitive information.

  • Input Handling: Components that process data from users or external systems.

Gather the Right Tools and People

Assemble a review team with a good mix of skills. Include the developer who wrote the code, a security-minded developer, and, if possible, a dedicated security professional. This combination of perspectives provides a more thorough assessment.

Equip the team with the proper tools, including access to the project's documentation and specialized software. For instance, static analysis tools can automatically scan for vulnerabilities. For threat modeling, you might use OWASP Threat Dragon, and for automation, a platform like GitHub Actions can integrate security checks directly into the workflow.

Core Secure Code Review Checklist Items

This section contains the fundamental items that should be part of any review. Each one targets a common area where security vulnerabilities appear.

1) Input Validation

Attackers exploit applications by sending malicious or unexpected input. Proper input validation is your first line of defense.

  • Validate on the Server Side: Never trust client-side validation alone. Attackers can easily bypass it. Always re-validate all inputs on the server.

  • Classify Data: Separate data into trusted (from internal systems) and untrusted (from users or external APIs) sources. Scrutinize all untrusted data.

  • Centralize Routines: Create and use a single, well-tested library for all input validation. This avoids duplicated effort and inconsistent logic.

  • Canonicalize Inputs: Convert all input into a standard, simplified form before processing. For example, enforce UTF-8 encoding to prevent encoding-based attacks.

2) Output Encoding

Output encoding prevents attackers from injecting malicious scripts into the content sent to a user's browser. This is the primary defense against Cross-Site Scripting (XSS).

  • Encode on the Server: Always perform output encoding on the server, just before sending it to the client.

  • Use Context-Aware Encoding: The method of encoding depends on where the data will be placed. Use specific routines for HTML bodies, HTML attributes, JavaScript, and CSS.

  • Utilize Safe Libraries: Employ well-tested libraries provided by your framework to handle encoding. Avoid writing your own encoding functions.

3) Authentication & Authorization

Authentication confirms a user's identity, while authorization determines what they are allowed to do. Flaws in these areas can give attackers complete control.

  • Enforce on the Server: All authentication and authorization checks must occur on the server.

  • Use Tested Services: Whenever possible, integrate with established identity providers or use your framework's built-in authentication mechanisms.

  • Centralize Logic: Place all authorization checks in a single, reusable location to ensure consistency.

  • Hash and Salt Passwords: Never store passwords in plain text. Use a strong, adaptive hashing algorithm like Argon2 or bcrypt with a unique salt for each user.

  • Use Vague Error Messages: On login pages, use generic messages like "Invalid username or password." Specific messages ("User not found") help attackers identify valid accounts.

  • Secure External Credentials: Protect API keys, database credentials, and other secrets. Store them outside of your codebase using a secrets management tool.

4) Error Handling & Logging

Proper error handling prevents your application from leaking sensitive information when something goes wrong.

  • Avoid Sensitive Data in Errors: Error messages shown to users should never contain stack traces, database queries, or other internal system details.

  • Log Sufficient Context: Your internal logs should contain enough information for debugging, such as a timestamp, the affected user ID (if applicable), and the error details.

  • Do Not Log Secrets: Ensure that passwords, API keys, session tokens, and other sensitive data are never written to logs.

5) Data Encryption

Data must be protected both when it is stored (at rest) and when it is being transmitted (in transit).

  • Encrypt Data in Transit: Use Transport Layer Security (TLS) 1.2 or higher for all communication between the client and server.

  • Encrypt Data at Rest: Protect sensitive data stored in databases, files, or backups.

  • Use Proven Standards: Implement strong, industry-accepted encryption algorithms like AES-256. For databases, use features like Transparent Data Encryption (TDE) or column-level encryption for the most sensitive fields.

6) Session Management & Access Controls

Once a user is authenticated, their session must be managed securely. Access controls ensure users can only perform actions they are authorized for.

  • Secure Session Tokens: Generate long, random, and unpredictable session identifiers. Do not include any sensitive information within the token itself.

  • Expire Sessions Properly: Sessions should time out after a reasonable period of inactivity. Provide users with a clear log-out function that invalidates the session on the server.

  • Guard Cookies: Set the Secure and HttpOnly flags on session cookies. This prevents them from being sent over unencrypted connections or accessed by client-side scripts.

  • Enforce Least Privilege: Users and system components should only have the minimum permissions necessary to perform their functions.

7) Dependency Management

Modern applications are built on a foundation of third-party libraries and frameworks. A vulnerability in one of these dependencies is a vulnerability in your application.

  • Use Software Composition Analysis (SCA) Tools: These tools scan your project to identify third-party components with known vulnerabilities.

  • Keep Dependencies Updated: Regularly update your dependencies to their latest stable versions. Studies from organizations like Snyk regularly show that a majority of open-source vulnerabilities have fixes available. A 2025 Snyk report showed projects using automated dependency checkers fix vulnerabilities 40% faster.

8) Logging & Monitoring

Secure logging and monitoring help you detect and respond to attacks in real-time.

  • Track Suspicious Activity: Log security-sensitive events such as failed login attempts, access-denied errors, and changes to permissions.

  • Monitor Logs: Use automated tools to monitor logs for patterns that could indicate an attack. Set up alerts for high-priority events.

  • Protect Your Logs: Ensure that log files are protected from unauthorized access or modification.

9) Threat Modeling

During the review, continuously refer back to your threat model. This helps maintain focus on the most likely attack vectors.

  • Review Data Flows: Trace how data moves through the application.

  • Validate Trust Boundaries: Pay close attention to points where the application interacts with external systems or receives user input.

  • Question Assumptions: Could an attacker manipulate this data flow? Could they inject code or bypass a security control?

10) Code Readability & Secure Coding Standards

Clean, readable code is easier to secure. Ambiguous or overly complex logic can hide subtle security flaws.

  • Write Clear Code: Use meaningful variable names, add comments where necessary, and keep functions short and focused.

  • Use Coding Standards: Adhere to established secure coding standards for your language. Some great resources are the OWASP Secure Coding Practices, the SEI CERT Coding Standards, and language-specific guides.

11) Secure Data Storage

How and where you store sensitive data is critical. This goes beyond just encrypting the database.

  • Protect Backups: Ensure that database backups are encrypted and stored in a secure location with restricted access.

  • Sanitize Data: When using production data in testing or development environments, make sure to sanitize it to remove any real user information.

  • Limit Data Retention: Only store sensitive data for as long as it is absolutely necessary. Implement and follow a clear data retention policy.

Automated Tools to Boost Your Checklist

Manual reviews are essential for understanding context and business logic, but they can be slow and prone to human error. For smaller teams, free and open-source tools like SonarQube, Snyk, and Semgrep perfectly complement a manual secure code review checklist by catching common issues quickly and consistently.

Integrate SAST and SCA into CI/CD

Integrate Static Application Security Testing (SAST) and Software Composition Analysis (SCA) tools directly into your Continuous Integration/Continuous Deployment (CI/CD) pipeline. This automates the initial security scan on every code commit.

  • SAST Tools: These tools analyze your source code without executing it. They are excellent at finding vulnerabilities like SQL injection, buffer overflows, and insecure configurations.

  • SCA Tools: These tools identify all the open-source libraries in your codebase and check them against a database of known vulnerabilities.

Configure Security-Focused Rules

Configure your automated tools to enforce specific security rules tied to standards like OWASP Top 10 or the SEI CERT standards. This ensures that the automated checks are directly connected to your security requirements.

Popular Static Analysis Tools

Several tools can help automate parts of your review:

  • PVS-Studio: A static analyzer for C, C++, C#, and Java code.

  • Semgrep: A fast, open-source static analysis tool that supports many languages and allows for custom rules.

  • SonarQube: An open-platform to manage code quality, which includes security analysis features.

Automated code review cycle

Running The Review

With your preparation complete and checklist in hand, it is time to conduct the review. A structured approach makes the process more efficient and less draining for the participants.

Timebox Your Sessions

Limit each review session to about 60-90 minutes. Longer sessions can lead to fatigue and reduced focus, making it more likely that reviewers will miss important issues. It is better to have multiple short, focused sessions than one long, exhaustive one.

Apply the Checklist Systematically

Work through your checklist steadily. Start with the high-risk areas you identified during threat modeling. Use a combination of automated tools and manual inspection.

  1. Run Automated Scans First: Let SAST and SCA tools perform an initial pass to catch low-hanging fruit.

  2. Manually Inspect High-Risk Code: Use your expertise and the checklist to examine authentication, authorization, and data handling logic.

  3. Validate Business Logic: Check for flaws in the application's logic that an automated tool would miss.

Track Metrics for Improvement

To make your process repeatable and measurable, track key metrics.

Metric

Description

Purpose

Tracking Tools

Inspection Rate

Lines of code reviewed per hour.

Helps in planning future reviews.

Code review systems (Crucible, Gerrit) or custom dashboards (Grafana, Tableau) pulling data from version control.

Defect Density

Number of defects found per 1,000 lines of code.

Measures code quality over time.

Static analysis tools (SonarQube) and issue trackers (Jira, GitHub Issues).

Time to Remediate

Time taken to fix a reported issue.

Measures the efficiency of your response process.

Issue trackers like Jira, GitHub Issues, Asana, or service desk software like Zendesk.

Keeping Your Process Up to Date

Security is not a one-time activity. The threat environment is constantly changing, and your review process must adapt. An effective secure code review checklist is a living document.

Update for New Threats

Regularly review and update your checklist to include checks for new types of vulnerabilities. Stay informed by following security publications from organizations like NIST and OWASP. When a new major vulnerability is disclosed (like Log4Shell), update your checklist to include specific checks for it.

Build a Security-First Mindset

The ultimate goal is to create a team where everyone thinks about security. Use the code review process as an educational opportunity. When you find a vulnerability, explain the risk and the correct way to fix it. This continuous training builds a stronger, more security-aware engineering team.

Sample “Starter” Checklist

Here is a starter secure code review checklist based on the principles discussed. You can use this as a foundation and customize it for your specific tech stack and application. This is structured in a format you can use in a GitHub pull request template.

For a more detailed baseline, the OWASP Code Review Guide and the associated Quick Reference Guide are excellent resources.

Input Validation

  • [Critical] Is the application protected against injection attacks (SQLi, XSS, Command Injection)?

  • [Critical] Is all untrusted input validated on the server side?

  • [High] Is input checked for length, type, and format?

  • [Medium] Is a centralized input validation routine used?

Authentication & Authorization

  • [Critical] Are all sensitive endpoints protected with server-side authentication checks?

  • [Critical] Are passwords hashed using a strong, salted algorithm (e.g., Argon2, bcrypt)?

  • [Critical] Are authorization checks performed based on the user's role and permissions, not on incoming parameters?

  • [High] Are account lockout mechanisms in place to prevent brute-force attacks?

  • [High] Does the principle of least privilege apply to all user roles?

Session Management

  • [Critical] Are session tokens generated with a cryptographically secure random number generator?

  • [High] Are session cookies configured with the HttpOnly and Secure flags?

  • [High] Is there a secure log-out function that invalidates the session on the server?

  • [Medium] Do sessions time out after a reasonable period of inactivity?

Data Handling & Encryption

  • [Critical] Is all sensitive data encrypted in transit using TLS 1.2+?

  • [High] Is sensitive data encrypted at rest in the database and in backups?

  • [High] Are industry-standard encryption algorithms (e.g., AES-256) used?

  • [Medium] Are sensitive data or system details avoided in error messages?

Dependency Management

  • [High] Has an SCA tool been run to check for vulnerable third-party libraries?

  • [High] Are all dependencies up to their latest secure versions?

Logging & Monitoring

  • [Critical] Are secrets (passwords, API keys) excluded from all logs?

  • [Medium] Are security-relevant events (e.g., failed logins, access denials) logged?

Conclusion

Building secure software requires a deliberate and systematic effort. This is why your team needs a secure code review checklist. It provides structure, consistency, and a security-first focus to your development process. It transforms code review from a simple bug hunt into a powerful defense against attacks.

For the best results, combine the discipline of a powerful secure code review checklist with automated tools and the contextual understanding that only human reviewers can provide. This layered approach ensures you catch a wide range of issues, from simple mistakes to complex logic flaws. Begin integrating these principles and build your own secure code review checklist today. Your future self will thank you for the secure and resilient applications you create.

FAQs

1) What are the 7 steps to review code?

A standard secure code review process involves seven steps:

  1. Define review goals and scope.

  2. Gather the code and related artifacts.

  3. Run automated SAST/SCA tools for an initial scan.

  4. Perform a manual review using a checklist, focusing on high-risk areas.

  5. Document all findings clearly with actionable steps.

  6. Prioritize the documented issues based on risk.

  7. Remediate the issues and verify the fixes.

2) How to perform a secure code review?

To perform a secure code review, you should first define your objectives and scope, focusing on high-risk application areas. Then, use a checklist to guide your manual inspection, and supplement your review with SAST and SCA tools. Document your findings and follow up to ensure fixes are correctly implemented.

3) What is a code review checklist?

A secure code review checklist is a structured list of items that guides a reviewer. It ensures consistent and thorough coverage of critical security areas like input validation, authentication, and encryption, helping to prevent common vulnerabilities and avoid gaps in the review process.

4) What are SAST tools during code review?

SAST stands for Static Application Security Testing. These tools automatically scan an application's source code for known vulnerability patterns without running the code. Tools like PVS-Studio, Semgrep, or SonarQube can find potential issues such as SQL injection, buffer overflows, and insecure coding patterns early in development.

5) How long should a secure code review take per 1,000 LOC?

There isn't a strict time rule, as the duration depends on several factors. However, a general industry guideline for a manual review is between 1 to 4 hours per 1,000 lines of code (LOC).

Factors that influence this timing include:

  • Code Complexity: Complex business logic or convoluted code will take longer to analyze than simple, straightforward code.

  • Reviewer's Experience: A seasoned security professional will often be faster and more effective than someone new to code review.

  • Programming Language: Some languages and frameworks have more inherent security risks and require more scrutiny.

  • Scope and Depth: A quick check for the OWASP Top 10 vulnerabilities is much faster than a deep, architectural security review.

LLM & Gen AI

Shivam Agarwal

Featured image for an article on Code dependencies

Code Dependencies: What They Are and Why They Matter

Dependencies in code are like ingredients for a recipe. When baking a cake, you don't grow the wheat and grind your own flour; you purchase it ready-made. Similarly, developers use pre-written code packages, known as libraries or modules, to construct complex applications without writing every single line from scratch.

These pre-made components are dependencies—external or internal pieces of code your project needs to function correctly. Managing them properly impacts your application's quality, security, and performance. When you build software, you integrate these parts created by others, which introduces a reliance on that external code. Your project's success is tied to the quality and maintenance of these components.

This article provides a detailed look into software dependencies. We will cover what they are, the different types you will encounter, and why managing them is a critical skill for any engineering team. We will also present strategies and tools to handle them effectively.

What “Dependency” Really Means in Programming

In programming, a dependency is a piece of code that your project relies on to function. These are often external libraries or modules that provide specific functionality. Think of them as pre-built components you use to add features to your application.

Code dependency

In software development, it's useful to distinguish between the general concept of dependence and the concrete term dependency.

  • Dependence is the state of relying on an external component for your code to function. It describes the "need" itself.

  • A dependency is the actual component you are relying on, such as a specific library, package, or framework.

This dependence means a change in a dependency can affect your code. For instance, if a library you use is updated or contains a bug, it directly impacts your project because of this reliance. Recognizing this is a foundational principle in software construction.

Libraries, External Modules, and Internal Code

It's useful to differentiate between a few common terms:

  • Software Libraries: These are collections of pre-written code that developers can use. For example, a library like NumPy in Python might offer functions for complex mathematical calculations. You import the library and call its functions. 

  • External Modules: This is a similar concept. An external module is a self-contained unit of code that exists outside your primary project codebase. Package managers install these modules for you to use. A well-known example is React, which is used for building user interfaces. 

  • Internal Modular Code: These are dependencies within your own project. You might break your application into smaller, reusable modules. For instance, a userAuth.js module could be used by both the authentication and profile sections of your application, creating an internal dependency.

A Community Perspective

Developers often use analogies to explain this concept. One clear explanation comes from a Reddit user, who states: “Software dependencies are external things your program relies on to work. Most commonly this means other libraries.” This simple definition captures the core idea perfectly.

Another helpful analogy from the same discussion simplifies it further: “...you rely on someone else to do the actual work and you just depend on it.” This highlights the nature of using a dependency. You integrate its functionality without needing to build it yourself.

Types of Code Dependencies: An Organized Look

Dependencies come in several forms, each relevant at different stages of the development lifecycle. Understanding these types helps you manage your project's architecture and build process more effectively. Knowing what are dependencies in code involves recognizing these distinct categories.

Common Dependency Categories

Here is a look at the most common types of dependencies you will work with.

  • Library Dependencies: These are the most common type. They consist of third-party code you import to perform specific tasks. Examples include react for building user interfaces or pandas for data manipulation in Python.

  • External Modules: This is a broad term for any code outside your immediate project. It includes libraries, frameworks, and any other packages you pull into your tech stack from an external registry.

  • Internal (Modular) Dependencies: These exist inside your project's codebase. When you structure your application into distinct modules, one module might require another to function. This creates a dependency between internal parts of your code.

  • Build Dependencies: These are tools required to build or compile your project. They are not needed for the final application to run, but they are essential during the development and compilation phase. A code transpiler like Babel is a classic example.

  • Compile-time Dependencies: These are similar to build dependencies. They are necessary only when the code is being compiled. For example, a C++ project might depend on header files that are not needed once the executable is created.

  • Runtime Dependencies: These are required when the application is actually running. A database connector, for instance, is a runtime dependency. The application needs it to connect to the database and execute queries in the production environment.

Transitive Dependencies

A critical concept is the transitive or indirect dependency. These are the dependencies of your dependencies. If your project uses Library A, and Library A uses Library B, then your project has a transitive dependency on Library B.

It's useful to distinguish this from a runtime dependency, which is any component your application needs to execute correctly in a live environment. While the two concepts often overlap, they are not identical.

Practical Example

Imagine you're building a web application using Node.js:

  • Direct Dependency: You add a library called Auth-Master to your project to handle user logins. Auth-Master is a direct dependency.

  • Transitive Dependency: Auth-Master requires another small utility library, Token-Gen, to create secure session tokens. You didn't add Token-Gen yourself, but your project now depends on it transitively.

  • Runtime Dependency: For the application to function at all, it must be executed by the Node.js runtime environment. Node.js is a runtime dependency. In this case, both Auth-Master and Token-Gen are also runtime dependencies because they are needed when the application is running to manage logins.

This illustrates that a component (Token-Gen) can be both transitive and runtime. The key difference is that "transitive" describes how you acquired the dependency (indirectly), while "runtime" describes when you need it (during execution).

These can become complex and are a major source of security vulnerabilities and license conflicts. According to the 2025 Open Source Security and Risk Analysis (OSSRA) report, 64% of open source components in applications are transitive dependencies. This shows how quickly they can multiply within a project. The tech publication DEV also points out the importance of tracking external, internal, and transitive dependencies to maintain a healthy codebase.

Why Code Dependencies Matter (and Why You Should Care)

Effective dependency management is not just an administrative task; it is central to building reliable, secure, and high-performing software. Neglecting them can introduce significant risks into your project.

Imagine a team launching a new feature, only to have the entire application crash during peak hours. After a frantic investigation, the culprit was identified: an unpatched vulnerability in an old third-party library. A simple version update, made months ago by the library's author, would have prevented the entire outage. Examining what are dependencies in code shows their direct link to project health.

1. Code Quality & Maintenance

Understanding dependencies is fundamental to good software architecture. It helps you structure code logically and predict the impact of changes. When one part of the system is modified, knowing what depends on it prevents unexpected breakages.

As the software analysis platform CodeSee explains it: “When Module A requires … Module B … we say Module A has a dependency on Module B.” This simple statement forms the basis of dependency graphs, which visualize how different parts of your code are interconnected, making maintenance much more predictable.

2. Security

Dependencies are a primary vector for security vulnerabilities. When you import a library, you are also importing any security flaws it may contain. Malicious actors frequently target popular open-source libraries to launch widespread attacks.

The threat is significant. According to the 2025 OSSRA report, a staggering 86% of audited applications contained open source vulnerabilities. The National Institute of Standards and Technology (NIST) provides extensive guidance on software supply chain security, recommending continuous monitoring and validation of third-party components as a core practice. Properly managing your dependencies is your first line of defense.

3. Performance

The performance of your application is directly tied to its dependencies. A slow or resource-intensive library can become a bottleneck, degrading the user experience. Large dependencies can also increase your application's bundle size, leading to longer load times for web applications.

By analyzing your dependencies, you can identify which ones are contributing most to performance issues. Sometimes, replacing a heavy library with a more lightweight alternative or writing a custom solution can lead to significant performance gains. This optimization is impossible without a clear picture of your project's dependency tree.

4. Legal & Licensing

Every external dependency you use comes with a software license. These licenses dictate how you can use, modify, and distribute the code. Failing to comply with these terms can lead to serious legal consequences.

License compatibility is a major concern. For example, using a library with a "copyleft" license (like the GPL) in a proprietary commercial product may require you to open-source your own code. The 2025 OSSRA report found that 56% of audited applications had license conflicts, many of which arose from transitive dependencies. Tools mentioned by DEV are essential for tracking and ensuring license compliance.

Managing Code Dependencies Like a Pro

Given their impact, you need a systematic approach to managing dependencies. Modern development relies on a combination of powerful tools and established best practices to keep dependencies in check. Truly understanding what are dependencies in code means learning how to control them.

Managing Code Dependencies

a. Dependency Management Tools

Package managers are the foundation of modern dependency management. They automate the process of finding, installing, and updating libraries. Each major programming ecosystem has its own set of tools.

  • npm (Node.js): The default package manager for JavaScript. It manages packages listed in a package.json file.

  • pip (Python): Used to install and manage Python packages. It typically works with a requirements.txt file.

  • Maven / Gradle (Java): These are build automation tools that also handle dependency management for Java projects.

  • Yarn / pnpm: Alternatives to npm that offer improvements in performance and security for managing JavaScript packages.

These tools streamline the installation process and help resolve version conflicts between different libraries.

b. Virtual Environments

A virtual environment is an isolated directory that contains a specific version of a language interpreter and its own set of libraries. This practice prevents dependency conflicts between different projects on the same machine.

For example, Project A might need version 1.0 of a library, while Project B needs version 2.0. Without virtual environments, installing one would break the other. DEV details tools like pipenv and Poetry for Python, which create these isolated environments automatically. For Node.js, nvm (Node Version Manager) allows you to switch between different Node.js versions, each with its own global packages.

c. Semantic Versioning

Semantic Versioning (SemVer) is a versioning standard that provides meaning to version numbers. A version is specified as MAJOR.MINOR.PATCH.

  • MAJOR version change indicates an incompatible API change.

  • MINOR version change adds functionality in a backward-compatible manner.

  • PATCH version change makes backward-compatible bug fixes.

As noted by CodeSee, adhering to SemVer is crucial. It allows you to specify version ranges for your dependencies safely. For instance, you can configure your package manager to accept any new patch release automatically but require manual approval for a major version update that could break your code.

d. Visualization & Analysis Tools

For complex projects, it can be difficult to see the full dependency tree. This is where visualization and analysis tools come in.

  • Software Composition Analysis (SCA) Tools: These tools scan your project to identify all open-source components, including transitive dependencies. They check for known security vulnerabilities and potential license conflicts. The OWASP Dependency-Check project is a well-known open-source SCA tool.

  • Dependency Graph Visualizers: Tools like CodeSee's dependency maps can generate interactive diagrams of your codebase. These visualizations help you understand how modules interact and identify areas of high complexity or tight coupling.

e. Refactoring for Modularity

The best way to manage dependencies is to design a system with as few of them as needed. This involves writing modular code with clean interfaces. Principles like SOLID encourage loose coupling, where components are independent and interact through stable APIs.

A benefit of modular programming is that it makes code more reusable and easier to maintain. Research from educational resources on software design confirms that breaking down a system into independent modules improves readability and simplifies debugging. When you need to change one module, the impact on the rest of the system is minimized, which is a core goal of good dependency management.

Real-World Example in OOP

Object-Oriented Programming (OOP) provides a clear illustration of dependency principles. Improper dependencies between classes can make a system rigid and difficult to maintain. This example shows why thinking about what are dependencies in code is so important at the architectural level.

Imagine two classes in an HR system: Employee and HR.

Java
// A simple Employee class
public class Employee {
    private String employeeId;
    private String name;
    private double salary;

    // Constructor, getters, and setters
    public Employee(String employeeId, String name, double salary) {
        this.employeeId = employeeId;
        this.name = name;
        this.salary = salary;
    }

    public double getSalary() {
        return salary;
    }
}

// The HR class depends directly on the Employee class
public class HR {
    public void processPaycheck(Employee employee) {
        double salary = employee.getSalary();
        // ... logic to process paycheck
        System.out.println("Processing paycheck for amount: " + salary);
    }
}

In this case, the HR class has a direct dependency on the Employee class. If the Employee class changes—for example, if the getSalary() method is renamed or its return type changes—the HR class will break. This is a simple example of a direct dependency.

A better approach is to depend on abstractions, not concrete implementations. For instance, testing classes should only rely on the public interfaces of the classes they test. This principle limits breakage when internal implementation details change, making the codebase more resilient and maintainable. For scope and technique, see unit vs functional testing and regression vs unit testing.

Conclusion

Dependencies are an integral part of modern software development. They enable us to build powerful applications by standing on the shoulders of giants. However, this power comes with responsibility. A failure to manage dependencies is a failure to manage your project's quality, security, and performance.

By understanding the different types of dependencies, from external libraries to internal modules, you can make more informed architectural decisions. Using the right tools and best practices—like package managers, virtual environments, and SCA scanners—transforms dependency management from a chore into a strategic advantage. It leads to better code, safer deployments, and smoother collaboration. The central question of what are dependencies in code is one every developer must answer to build professional-grade software.

FAQ Section

1) What are examples of dependencies?

Dependencies include software libraries (e.g., Lodash), external modules (npm packages), internal shared utilities, test frameworks (a build dependency), and runtime libraries like database connectors.

2) What do you mean by dependencies?

Dependencies are external or internal pieces of code that your project requires to function correctly. Your code "depends" on them to execute its tasks.

3) What are the dependencies of a programming language?

These include its runtime environment (like an interpreter or compiler), its standard library of built-in functions, and its toolchain, which consists of package managers and build tools.

4) What are dependencies on a computer?

These are system-level libraries or packages an application needs to run. Examples include graphics drivers, system fonts like OpenSSL, or installed runtimes such as the Java Virtual Machine (JVM) or .NET Framework.

Shivam Agarwal

Featured image for an article on Visual scripting

Visual Scripting: Definition, Benefits, and Examples

Imagine building application logic like assembling a flowchart. You connect boxes and arrows on a screen, defining behavior and flow without writing a single line of traditional code. This node-based, drag-and-drop approach is the foundation of a powerful method that is changing how teams build interactive experiences. This brings us to the core question: what is visual scripting?

For developers, tech leads, and engineering teams, understanding this approach is vital. It offers a way to accelerate prototyping, improve collaboration between technical and non-technical staff, and automate workflows. It represents a significant shift in how we can structure and visualize computational logic, making it an essential tool in modern development, from game creation to interactive design.

What Is Visual Scripting?

At its heart, visual scripting is a method of programming that lets you construct application logic using a graphical interface instead of text-based code. Users manipulate graphical elements—called nodes or blocks—and connect them to create a flow of actions and decisions.

Each node represents a specific function, event, variable, or control flow statement. For example, one node might get a character’s position, another might check for user input, and a third could trigger an animation. You connect these nodes with wires or lines, dictating the sequence and logic of operations in a clear, visual manner.

Visual scripting

This method provides an abstraction layer over conventional programming. It allows creators to focus on the logic and behavior of their application without getting bogged down by the syntax of a specific programming language. It is a practical answer to what is visual scripting.

How Visual Scripting Works

The mechanics of visual scripting are straightforward and intuitive. The process typically involves a few simple steps. You start by dragging nodes or blocks from a library onto a canvas. Then, you connect these nodes to map out the logical flow of your program.

  • Nodes: These are the basic building blocks. They can represent anything from a mathematical operation (add, subtract) to a complex action (play sound, move object).

  • Wires: These are the connectors that establish relationships between nodes. They direct the flow of data and execution from one node to the next.

  • Graphs: The entire canvas of connected nodes is called a graph. This graph is a visual representation of a script or a piece of your codebase architecture.

Behind the scenes, this visual graph is translated into machine-readable code. This translation layer converts the node-based logic into a language that the underlying engine can execute, such as C++ or C#. This means you are still programming, just through a different interface.

Many popular game engines and development toolchains feature robust visual scripting systems.

  • Unreal Engine’s Blueprints is a premier example, deeply integrated into the engine and best for game devs building complex interactions visually

  • Unity’s Visual Scripting (formerly known as Bolt) offers similar functionality and is best for teams mixing coders and non-coders; it was made a free, standard part of the engine in 2020.

Visual scripting mechanics and tools

These tools demonstrate how visual systems can coexist with and complement traditional code within a professional tech stack.

Why It Works: The Benefits for Engineering Teams

Understanding the advantages helps clarify the utility of visual scripting. It introduces efficiency and accessibility into the development process. The benefits directly address common production bottlenecks.

  • Accessible Interface: The graphical approach lowers the barrier to entry. Designers, artists, and other non-programmers can quickly contribute to the project’s logic without needing to learn complex syntax. This makes it a powerful tool for teams with varied technical skills.

  • Speed & Prototyping: Visual scripting excels at rapid iteration. You can build and test ideas, create proof-of-concepts, and produce functional demos much faster than with traditional coding. This speed is invaluable for validating concepts in early development stages.

  • Reduced Syntax Errors & Complexity: Because you work with pre-defined nodes, typographical and syntactical mistakes are nearly eliminated. This allows you to concentrate on the logic itself rather than debugging missing semicolons or mismatched brackets. The visual flow simplifies the representation of program logic.

  • Better Collaboration: This method acts as a common language between developers and non-technical team members.  A designer can create a UI flow visually, and a programmer can then inspect the underlying graph or even convert it to code for optimization. This shared workspace improves communication and integration.

  • Code Scaffold & Boilerplate: Visual tools can scaffold logical structures very quickly. You can generate the basic architecture for a system visually and then transition to text-based code to refine performance-critical parts. This saves time writing repetitive boilerplate code.

Drawbacks and Limitations to Consider

Despite its benefits, visual scripting is not a universal solution. Engineering teams must be aware of its limitations to apply it effectively and avoid creating future technical debt.

  • Scalability & Maintenance Issues: As logic becomes more complex, visual graphs can turn into a tangled web of nodes and wires, often called a "spaghetti graph." These large, intricate graphs are difficult to debug, refactor, and maintain over the long term. Reading and modifying a massive visual script is often less efficient than working with well-structured text code.

  • Performance Concerns: Visual scripting often introduces a small performance overhead compared to handwritten code. For most tasks, this difference is negligible. But for performance-critical systems—like core gameplay mechanics or high-frequency data processing—this overhead can become a significant issue.

  • Refactoring Constraints: Automated refactoring tools for visual scripts are less mature than those for text-based languages. Restructuring or cleaning up a complex visual graph is largely a manual process, which can be time-consuming and prone to error.

  • Ideal Use Cases Only: It is best seen as an ancillary tool within a larger development toolset.  It is perfect for certain tasks, such as UI logic, state machines, or simple event handling. However, it is not the right choice for building the entire backbone of a complex software system.

Visual Scripting: Real-World Developer Perspectives

To ground this discussion in practical experience, consider what developers actively working in the field have to say. Conversations on platforms like Reddit offer candid insights into how teams integrate these tools.

One developer highlights its value for initial builds but points out the need to transition later:

“We use it during the prototyping phase... we generally tend to remove most of the visual scripting during production to allow for more optimization and refactoring options in the long run.”

This sentiment is common. The tool helps teams validate ideas quickly before committing to a production-ready codebase.

Another developer offers a warning on growing complexity:

“Visual scripting becomes a big problem when the scope gets larger – reading through code is much easier than trying to scroll around to see which wire is going where.”

This quote speaks directly to the scalability and maintenance challenges mentioned earlier.

A balanced view treats it as a specialized instrument:

“Visual scripting is the microwave oven of the gamedev toolset... excel in very specific situations and require a fair bit of knowledge on how to actually use them correctly.”

This analogy correctly positions it as one tool among many, not a complete replacement for a traditional kitchen.

Finally, a developer points to its strength in empowering designers to make content adjustments:

“It is faster to implement... your system becomes highly extendable... can be used by the designer.”

This ability for non-programmers to iterate on logic is a significant production benefit. These perspectives help answer the question of what is visual scripting in a practical context.

Examples and Use Cases

The application of visual scripting extends across various domains, with game development being the most prominent. Leading engines provide first-class support for this workflow.

  • Unity (Visual Scripting): Since Unity acquired Bolt in 2020 and integrated it as a free package, its visual scripting tool has become a core part of the ecosystem. It allows teams to create logic for everything from character controllers to UI management directly within the editor. The question of what is visual scripting is often answered by pointing to Unity's implementation.

  • Unreal Engine (Blueprints): Blueprints are arguably the most famous visual scripting system. They are deeply integrated into Unreal Engine and are used by indie developers and AAA studios alike. Many full games have been shipped using Blueprints for a substantial portion of their codebase.

  • Workflow Automation & Interactive Design: The usefulness of node-based logic is not limited to games. It is found in tools for creating interactive installations, automating software tasks, and customizing application behavior. This approach lets users visually configure complex workflows without writing code.

  • Low-Code Testing: An adjacent field is low-code testing automation. Tools in this area often use drag-and-drop interfaces to build test scripts, allowing quality assurance teams to create and manage automated tests visually. This is another example of what is visual scripting enabling non-programmers.

Tips for Developers and Tech Leads

To integrate visual scripting effectively into your workflow, you should follow a few best practices. This ensures you get the benefits without falling into common pitfalls.

Visual scripting tips
  1. Use it for Prototyping and High-Level Logic: It is ideal for quickly testing game mechanics, setting up state machines, or defining UI flows. Use it when non-coders need to contribute to the logic.

  2. Avoid Over-Reliance: For systems that require high performance or are algorithmically complex, transition to traditional, text-based code. Use the visual script as a scaffold, then rewrite critical parts in C# or C++.

  3. Keep Graphs Small and Modular: Just as you would write short, single-responsibility functions in code, you should create small, focused visual graphs. Use subgraphs to encapsulate and reuse logic, preventing your main graphs from becoming unmanageable.

  4. Tackle Complex Problems with Community Knowledge: When faced with a tricky bug or a complex implementation in either visual scripts or traditional code, it is common to get stuck. Before modern automated tools became prevalent, developers relied heavily on community-driven platforms. Websites like Stack Overflow, engine-specific forums, and official documentation are invaluable resources. Searching for similar problems or posting a well-defined question can provide solutions and insights from experienced peers, helping you overcome hurdles without reinventing the wheel.

  5. Establish Clear Conventions: Your team should agree on standards for naming, layout, and commenting within visual graphs. This discipline is crucial for keeping your visual codebase clean and maintainable. This approach helps in understanding what is visual scripting at a team-wide scale.

Conclusion

Visual scripting is an approachable, visual layer that sits on top of programming logic. It demystifies the process of creating behavior in software, making it accessible to a wider range of creators. Its strengths in rapid prototyping, team collaboration, and design-centered development are clear. For many, this is the complete answer to what is visual scripting.

However, it is not a replacement for text-based coding. According to Gartner, the market for low-code technologies is expanding rapidly, showing its importance. The best results come when it is used judiciously as part of a complete toolset, complementing traditional code rather than supplanting it.

The true value of visual scripting is proven through application, not theory.  Challenge your team to build its next prototype using Unity Visual Scripting or Unreal Blueprints. The immediate improvement in development speed and workflow will speak for itself.

FAQ Section

1. What is visual scripting used for?

It is used to generate game logic, UI flows, interactive scenes, and prototypes. It is also applied in automation tools and workflow setups. It is particularly useful when you want to build logic visually or involve non-coders in the development process. This is the practical side of what is visual scripting.

2. Is visual scripting easier than coding?

It is often easier for simple logic because it hides syntax and lets you connect concepts visually. However, for complex or large-scale systems, traditional coding provides more control, clarity, and better tools for maintenance and refactoring.

3. Can you make a game with visual scripting?

Absolutely. Many prototypes and indie projects are built entirely with tools like Unity Visual Scripting or Unreal Blueprints. That said, most complex, commercially released games use a combination of visual scripting and traditional code to achieve their performance and scalability goals.

4. Was Hollow Knight made with visual scripting?

No available evidence suggests that Hollow Knight used a visual scripting system. It was built in Unity using traditional coding techniques. The game is a great example of what can be accomplished with a powerful engine and a well-structured C# codebase.

Figma & No-code

Shivam Agarwal