JWT Debugger
Decode, verify, and generate JSON Web Tokens securely in your browser.
Encoded Token
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Header
Payload
About JWTs
JSON Web Tokens are an open, industry standard RFC 7519 method for representing claims securely between two parties.
- Header: Typically consists of two parts: the type of the token, which is JWT, and the signing algorithm being used, such as HMAC SHA256 or RSA.
- Payload: Contains the claims. Claims are statements about an entity (typically, the user) and additional data.
- Signature: To create the signature part you have to take the encoded header, the encoded payload, a secret, the algorithm specified in the header, and sign that.