JWT Token Decoder

Decode and validate JSON Web Tokens (JWT) with detailed analysis

JWT Token Input

Characters: 0

Enter a JWT token to see the decoded content

About JWT Tokens

Header

Contains the token type (JWT) and signing algorithm (e.g., HMAC SHA256, RSA)

Payload

Contains the claims - statements about an entity and additional data

Signature

Used to verify the message wasn't changed and, for tokens signed with a private key, who sent the JWT