JWT Debugger

Decode, verify, and generate JSON Web Tokens

Invalid Signature

Decoded Header

{
  "alg": "HS256",
  "typ": "JWT"
}

Decoded Payload

{
  "sub": "1234567890",
  "name": "John Doe",
  "admin": true,
  "iat": 1516239022
}

Enter the secret used to sign the JWT below:

Algorithm: HS256

SecretInvalid secret

Encoding Format

All JWT debugging happens in the browser. No data is transmitted.

Supports HS256/384/512, RS256/384/512, PS256/384/512, ES256/384/512.

Paste a token to decode and verify instantly.