Decode JSON Web Tokens to inspect header, payload, and signature. Verify token expiration and claims.
Paste a JWT token.
Header, payload, and signature are decoded.
View claims, expiration, and token details.
A JSON Web Token is a compact, URL-safe means of representing claims between two parties.
It shows the signature but verification requires the secret key.
Yes, all decoding happens in your browser. No tokens are sent to any server.