JWT Decoder
Decode and inspect JSON Web Tokens. View header, payload and expiration status.
About JWT Decoder
Paste any JWT to see its header and payload decoded as readable JSON. Automatically detects expired tokens via the `exp` claim. Tokens never leave your browser.
All processing happens entirely in your browser using modern web APIs. Nothing is uploaded to our servers — your data stays local. Free forever for everyone, with a Pro plan for power users who want an ad-free experience and API access.