JWT Decoder
JWT Decoder
- Debug authentication issues by checking claims.
- Decode without sending tokens to any backend.
- Supports HS / RS JWT structures (no signature verification).
Paste or type your input below, then use the buttons to process it.
Example: Paste a JWT token and decode header & payload.
eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9....
Decode header & payload of JWT tokens. Fully offline — token never leaves your device.
Paste JWT Token
Header
{}
Payload
{}