JWT Decoder

Header: Contains token type and signing algorithm
Payload: Contains claims (user data, permissions, etc.)
Signature: Verifies the token hasn't been tampered with

Paste a JWT token below to see its decoded contents. No data is sent to any server - everything is processed locally in your browser.

JWT (JSON Web Token) consists of three parts separated by dots:

Note: This tool only decodes the header and payload. It cannot verify the signature without the secret key.