25 Must-Have Chrome Extensions for Frontend Developers

Official React debugging extension. Inspect component tree, view props/state, profile performance, and trace re-renders.

Debug Vue applications with component inspection, Vuex/Pinia state management, routing, and performance profiling.

Time-travel debugging for Redux. View action history, inspect state at any point, replay actions, and export/import state.

Designer-friendly CSS inspector with clean visual presentation. View styles, colors, fonts, and export assets without DevTools.

Design debugging tool that lets you edit, move, and manipulate elements directly on any webpage. Like Photoshop for the browser.

Outlines every element on the page with colored borders. Perfect for debugging layout issues and understanding box model.

Veteran color picker with gradient generator, page color analyzer, and color history. The most popular color tool for Chrome.

Lightweight, open-source color picker. Simple, reliable, privacy-focused. Outputs HEX, RGB, HSL, and HSV.

Extract complete color palettes from any website. Export to various formats including Sketch and Adobe.

Hover over any text to identify font family, size, weight, and line-height. Integrates with Google Fonts and Typekit.

Identify fonts with detailed information, bookmark favorites, and try fonts on your own text. Good for font discovery.

Dedicated Tailwind CSS inspector with live editing. See and modify Tailwind classes in real-time. Subscription-based.

Convert CSS to Tailwind classes. Select any element and get equivalent Tailwind classes for the styles.

Draw rulers on any page to measure element dimensions and spacing. Essential for pixel-perfect work.

Overlay design mockups on top of developed pages to compare pixel-by-pixel. Perfect for design-to-code accuracy.

Measure distances between elements automatically as you hover. Shows spacing in a clean overlay.

Capture full-page screenshots with one click. Handles infinite scroll, lazy-loaded images, and long pages perfectly.

Screenshot and screen recording with annotation tools. Add arrows, text, highlights, and blur sensitive info.

Google's auditing tool for performance, accessibility, SEO, and best practices. Generate detailed reports with recommendations.

Real-time Core Web Vitals (LCP, FID, CLS) monitoring. See performance metrics as you browse your site.

Quickly resize browser to test responsive breakpoints. Preset sizes for common devices and custom configurations.

Format JSON responses with syntax highlighting, collapsible trees, and search. Makes API debugging much easier.

Identify technologies used on any website. Detect frameworks, CMS, hosting, analytics, and more.

Swiss army knife with tools for cookies, CSS, forms, images, and more. Disable JavaScript, outline elements, and debug.