Welcome to DevTools Hub
A collection of essential developer tools with the best UX/DX. All tools are free, require no login, and work instantly.
JSON Formatter
Essential
Format, validate, and minify JSON with real-time feedback
RegExp Tester
Essential
Test regular expressions with real-time matching
Base64 Encode/Decode
Essential
Convert text and files to/from Base64 with drag-and-drop support
Keyboard Shortcuts
Search toolsCmd+K
Toggle dark modeCmd+Shift+D
Copy resultCmd+C