JWT Decoder
Decode and analyze JWT tokens. View header, payload, and signature information.
Token Information
Algorithm:
-
Type:
-
Expires:
-
Header
Payload
Signature
Error:
JWT Structure
A JWT token consists of three parts separated by dots (.)
header.payload.signature
- Header: Contains metadata about the token (algorithm, type)
- Payload: Contains the claims (user data, expiration, etc.)
- Signature: Used to verify the token hasn't been tampered with