Looking for the best Chrome extensions to boost your development workflow? We've curated 15 essential tools that every developer should have installed in 2026.
Apply dark mode to any website instantly. Reduce eye strain during late-night coding sessions. Works on all websites without breaking layouts.
Auto-format and syntax-highlight JSON in your browser. Essential for API development. Collapsible tree view with search.
Pick any color from any webpage. Get hex, RGB, and HSL values instantly. Save color palettes for your projects.
Create beautiful CSS gradients with a visual editor. Copy the CSS code with one click. Preview in real-time.
Automatically suspend inactive tabs to save memory. Chrome uses up to 80% less RAM. Your tabs are restored instantly when you click them.
Full-page screenshots, visible area, or selected region. Download as PNG or copy to clipboard. No account needed.
Test regular expressions in real-time with match highlighting. Supports all flags. Save and share patterns.
Generate placeholder text directly in any text field. Paragraphs, sentences, or words. Perfect for prototyping.
Generate QR codes for any URL instantly. Customize colors and size. Download or share.
Count words, characters, sentences, and reading time for selected text. Works in any text field.
Check accessibility compliance on any webpage. Get instant reports on contrast ratios, alt text, and ARIA labels.
Measure pixel dimensions of any element on a webpage. Essential for pixel-perfect design implementation.
Generate MD5, SHA-1, SHA-256 hashes for any text. Useful for verifying file integrity and API signatures.
Inspect HTTP request and response headers for any page. Debug API calls and caching issues.
Switch your browser's user agent to test responsive designs. Emulate mobile, tablet, and other browsers.
These are just 15 of our 66 free developer tools. Browse the full collection:
FlowKit — 66+ free browser extensions, 15 VS Code extensions, and 10 userscripts for developers.