10 Free Tools for Web Developers in 2025

Last Updated : 06/27/2025 18:55:50

Discover 10 powerful and free tools every web developer should use in 2025. Boost productivity with the best code editors, design tools, online IDEs, and performance analyzers.

10 Free Tools for Web Developers in 2025


1. Visual Studio Code

Category: Code Editor
Website: https://code.visualstudio.com

Why it’s useful:
VS Code is a powerful, free, open-source code editor from Microsoft. It supports multiple languages (HTML, CSS, JavaScript, Python, etc.) and offers an extensive marketplace of extensions like Prettier, Live Server, and GitLens.

Key Features:

  • IntelliSense for code completion

  • Built-in Git support

  • Debugging tools

  • Extensions marketplace


2. CodePen

Category: Frontend Sandbox/Playground
Website: https://codepen.io

Why it’s useful:
CodePen is an online code editor for testing HTML, CSS, and JavaScript in real-time. Great for prototyping, sharing ideas, or debugging UI components.

Key Features:

  • Instant preview of code

  • Embed pens on websites

  • Community for inspiration

  • Templates and assets support


3. GitHub Copilot (Free for Students & Open Source)

Category: AI Coding Assistant
Website: https://github.com/features/copilot

Why it’s useful:
GitHub Copilot uses AI to suggest lines or blocks of code as you type. It's like having an AI pair programmer.

Key Features:

  • Auto code suggestions

  • Completes functions based on comments

  • Learns from your coding style


4. Lighthouse (Google Chrome DevTools)

Category: Performance & SEO Audit Tool
Website: Built into Chrome (DevTools > Lighthouse tab)

Why it’s useful:
Lighthouse audits your website for performance, accessibility, SEO, and best practices. Great for improving user experience and Core Web Vitals.

Key Features:

  • Performance scoring

  • Mobile/desktop testing

  • Actionable recommendations

  • Exportable reports


5. Figma (Free Plan)

Category: UI/UX Design Tool
Website: https://www.figma.com

Why it’s useful:
Figma is a collaborative design tool used for creating wireframes, UI prototypes, and design systems. It runs entirely in the browser.

Key Features:

  • Live collaboration

  • Design-to-code handoff

  • Component libraries

  • Plugins for icons, illustrations, etc.


6. Postman

Category: API Testing & Development
Website: https://www.postman.com

Why it’s useful:
Postman allows developers to test, debug, and document APIs. It simplifies working with REST, GraphQL, and SOAP endpoints.

Key Features:

  • API request builder

  • Environment variables

  • API monitoring

  • Free collaborative workspace


7. Color Hunt

Category: Color Palette Generator
Website: https://colorhunt.co

Why it’s useful:
Color Hunt provides curated color palettes for your web designs. Ideal for developers who struggle with color theory.

Key Features:

  • Thousands of modern palettes

  • Easy copy of HEX codes

  • Filter by theme or popularity


8. StackBlitz

Category: Online IDE
Website: https://stackblitz.com

Why it’s useful:
StackBlitz is a browser-based code editor supporting frameworks like Angular, React, Vue, and Node.js. It runs apps without needing local setup.

Key Features:

  • Instant project previews

  • NPM package integration

  • GitHub support

  • Offline support with WebContainers


9. Wappalyzer

Category: Tech Stack Analyzer
Website: https://www.wappalyzer.com

Why it’s useful:
Wappalyzer identifies technologies used on any website — CMS, JS frameworks, eCommerce platforms, analytics tools, etc.

Key Features:

  • Browser extension

  • Competitor tech analysis

  • API for automation


10. Netlify (Free Hosting Plan)

Category: Hosting & Deployment
Website: https://www.netlify.com

Why it’s useful:
Netlify lets you deploy static websites or JAMstack apps with CI/CD, custom domains, and SSL—all for free.

Key Features:

  • Git-based deployment

  • Serverless functions

  • Free SSL & CDN

  • Drag-and-drop deployment


Summary Table:

Tool Primary Use Best For
VS Code Code editing Daily development tasks
CodePen UI prototyping Frontend experimentation
GitHub Copilot Code suggestions Speeding up coding
Lighthouse Web audit Performance and SEO optimization
Figma UI/UX design Collaborative design work
Postman API testing Backend/frontend integration
Color Hunt Color inspiration Beautiful color schemes
StackBlitz Online IDE Rapid prototyping
Wappalyzer Tech detection Competitor analysis
Netlify Hosting Deploying static/JAMstack sites

Note : This article is only for students, for the purpose of enhancing their knowledge. This article is collected from several websites, the copyrights of this article also belong to those websites like : Newscientist, Techgig, simplilearn, scitechdaily, TechCrunch, TheVerge etc,.