JSON Web Token Debugger

Decode, verify, and generate JSON Web Tokens. JWT is an open standard (RFC 7519) for securely transmitting information between parties as a JSON object.

⚠️ Security Warning

All JWT debugging and validation happens in your browser. Be careful where you paste or share JWTs as they can represent credentials that grant access to resources. This site does not store or transmit your JSON Web Tokens outside of the browser.

JWT Debugger

Encoded JWT

Paste your JWT here...

HEADER: ALGORITHM & TOKEN TYPE

PAYLOAD: DATA

VERIFY SIGNATURE

Invalid Signature