JWT Decoder
Decode and analyze JSON Web Tokens to view header, payload, and signature information. Perfect for debugging and understanding JWT structure.
JWT Token Input
Paste your JWT token below to decode and analyze its contents
About JWT Tokens
Header
Contains metadata about the token type and signing algorithm used.
Payload
Contains the claims (data) and metadata like expiration time, issuer, etc.
Signature
Verifies the token hasn't been tampered with and was signed by the expected party.
Note: This tool only decodes JWT tokens for analysis purposes. It does not verify signatures or validate tokens. Always verify tokens in your application using the appropriate secret key or public key.