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Developer Tools

Debug, inspect, and enhance your development workflow

Showing 14 extensions
R
React Developer Tools
Open Source
Verified

Official React debugging tools

Inspect React component hierarchies, props, state, and hooks in the Chrome DevTools.
Rating: 4.4
Free
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R
Redux DevTools
Open Source
Verified

Time-travel debugging for Redux

Inspect Redux state, actions, and time-travel through state changes.
Rating: 4.6
Free
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V
Vue.js devtools
Open Source
Verified

Official Vue debugging tools

Debug Vue components, inspect Vuex state, and analyze performance.
Rating: 4.5
Free
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J
JSON Formatter
Open Source

Beautiful JSON viewing

Makes JSON easy to read with syntax highlighting and collapsible trees.
Rating: 4.7
Free
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W
Wappalyzer
Verified

Identify web technologies

Discover what technologies websites are built with. Find CMS, frameworks, analytics, and more.
Rating: 4.6
Freemium
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L
Lighthouse
Open Source
Verified

Web performance auditing

Google's official tool for auditing performance, accessibility, and SEO.
Rating: 4.5
Free
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P
Postman Interceptor
Verified

Capture and sync API requests

Bridge between browser and Postman app. Capture requests and cookies.
Rating: 4.3
Free
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R
Refined GitHub
Open Source

GitHub on steroids

Adds tons of useful features to GitHub. Better UX, utilities, and productivity enhancements.
Rating: 4.8
Free
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O
Octotree

GitHub code tree on steroids

Browser extension that displays GitHub code in tree format for easy navigation.
Rating: 4.7
Freemium
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J
JSONView
Open Source

Format and highlight JSON documents

Validates and makes JSON documents readable with syntax highlighting, collapsible trees, and clickable URLs.
Rating: 4.7
Free
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O
Octotree
Open Source

GitHub code tree navigation

Adds a file tree sidebar to GitHub repos making it easy to navigate large codebases without endless clicking.
Rating: 4.7
Freemium
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W
WhatFont

Identify fonts on any website

Hover over text to instantly see font name, size, weight, color, and line-height. Perfect for designers and developers.
Rating: 4.5
Free
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C
ColorZilla
Verified

Advanced color picker and eyedropper

Pick colors from any webpage, get color history, CSS gradient generator, and palette analyzer.
Rating: 4.6
Free
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W
Web Developer
Open Source

All-in-one developer toolbar

Adds a toolbar with various web developer tools beyond what Chrome Inspector offers.
Rating: 4.5
Free
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