Developer tools
Decode, build and debug faster: JWT, cron, encodings and more.
JWT Decoder
Decode and inspect JSON Web Tokens locally, with expiry timeline and signature check.
Runs in your browser
Cron Expression Builder
Build cron schedules with buttons, see the next 10 runs instantly.
Runs in your browser
Base64 Encoder / Decoder
Base64, Base64url, URL and hex, fully UTF-8 safe, with files and auto-detect.
Runs in your browser
Keyboard Layout Converter
Recover text typed in the wrong layout: AZERTY, QWERTY, QWERTZ, Dvorak, both ways.
Runs in your browser