JWT Token Decoder
Decode and analyze JSON Web Tokens
JWT Token Input
Token decoded successfully!
Sample Tokens
Basic JWT
Simple token with standard claims
eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...
Expired Token
Token with past expiration date
eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...
Token with Roles
Contains user roles and permissions
eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...
Decoded Information
Paste a JWT token above to decode it
About JWT Tokens
Header: Contains algorithm and token type information.
Payload: Contains the claims (user data, permissions, expiration, etc.).
Signature: Used to verify the token hasn't been tampered with.
Security Note: All decoding happens locally in your browser. No tokens are sent to any server.
Claims: iat (issued at), exp (expiration), sub (subject), aud (audience), iss (issuer).