Best Chrome Extensions for Front-End Developers (2025)

Front-end developers spend hours testing, designing, and debugging websites. Thankfully, Google Chrome has hundreds of useful extensions that make your job faster and smarter. In this article, SoftwareBhai.com lists the best Chrome extensions for front-end developers in 2025 that can help you design, inspect, and code with confidence.


1. ColorZilla

ColorZilla is one of the most popular Chrome extensions for designers and front-end developers. It allows you to pick colors from any webpage and copy HEX or RGB codes instantly.

  • ✅ Eyedropper tool for picking on-screen colors
  • ✅ Gradient generator and color history
  • ✅ Great for CSS and design tweaks

2. CSS Peeper

CSS Peeper is a powerful tool that helps developers easily extract and understand CSS styles from any webpage. It’s great for learning or reverse-engineering layouts.

  • ✅ Inspect element styles easily
  • ✅ Extract assets like fonts, colors, and images
  • ✅ Clean, minimal UI for quick design reference

3. Page Ruler Redux

Page Ruler Redux lets you measure elements on a page with pixel precision. It’s perfect for checking spacing, alignment, and layout design.

  • ✅ Draw rulers and get exact measurements
  • ✅ Measure margins and paddings visually
  • ✅ Ideal for responsive design testing

4. WhatFont

WhatFont helps developers and designers identify fonts used on any webpage. Simply hover over text to see font name, size, and color instantly.

  • ✅ Detects font family, size, and color
  • ✅ Lightweight and simple to use
  • ✅ Great for UI/UX design research

5. Wappalyzer

Wappalyzer identifies the technologies used to build a website — from front-end frameworks to analytics tools. It’s a must-have for understanding site structure.

  • ✅ Detects JavaScript libraries and CMS
  • ✅ Useful for competitor analysis
  • ✅ Supports over 1000 technologies

6. React Developer Tools

React Developer Tools is essential for any React-based front-end project. It helps you inspect components, states, and props directly in Chrome DevTools.

  • ✅ View React component tree
  • ✅ Debug complex UI interactions
  • ✅ Monitor app performance

7. Vue.js Devtools

Vue.js Devtools is the go-to extension for front-end developers working with Vue. It allows real-time inspection of components, events, and Vuex state.

  • ✅ Inspect Vue components easily
  • ✅ Debug reactive data and props
  • ✅ Works with Vue 2 and Vue 3

8. JSON Formatter

JSON Formatter helps front-end developers visualize and debug JSON data easily, making API integration much simpler.

  • ✅ Beautifies and validates JSON instantly
  • ✅ Collapsible tree view for nested data
  • ✅ Great for REST API debugging

9. Responsive Viewer

Responsive Viewer allows you to test multiple screen sizes side by side, making it easier to optimize responsive web designs.

  • ✅ Preview multiple devices at once
  • ✅ Custom device presets
  • ✅ Ideal for responsive design testing

10. Window Resizer

Window Resizer quickly resizes your browser window to different screen dimensions. It’s a classic extension for testing layouts.

  • ✅ One-click resizing to common resolutions
  • ✅ Custom size presets for faster testing
  • ✅ Works offline and lightweight

Final Thoughts

Whether you’re designing interfaces or debugging layouts, these Chrome extensions for front-end developers will make your workflow faster and more efficient. Install a few of them today to build, test, and ship projects with confidence.

For more developer tools and browser tips, visit the Google Chrome Browser section on SoftwareBhai.com.