JWT Parser
Enter a JWT token in format: header.payload.signature
About JWT
JSON Web Token (JWT) is a compact, URL-safe means of representing claims to be transferred between two parties.
- Structure: Header.Payload.Signature
- Header: Contains metadata (algorithm, type)
- Payload: Contains claims (user data, permissions)
- Signature: Cryptographic signature for verification
- Encoding: Base64Url encoded JSON
- Security: Never store sensitive data in JWT payload