All tools process files locally in your browser. Your files are never uploaded to any server.
Developer Tools
Essential utilities for developers. Format, decode, encode, and test directly in your browser.
4 tools available
JSON Formatter
Format, minify, and validate JSON online for free. Pretty print with custom indentation. No upload needed - all processing in your browser.
Try this toolJWT Decoder
Decode and inspect JSON Web Tokens (JWT) online for free. View header, payload, and expiry. No upload needed - all processing in your browser.
Try this toolBase64 Encoder / Decoder
Encode and decode Base64 strings online for free. Supports Unicode text. No upload needed - all processing in your browser.
Try this toolRegex Tester
Test regular expressions online for free. Real-time matching with highlighting. Supports JavaScript regex syntax. No upload needed.
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