Tool

JWT Debugger

Decode, verify, and generate JSON Web Tokens right in your browser.

JWT

Valid JWTEnter a secret or public key to verify the signature.

JWT debugger

Paste a token to decode the header and payload, then verify the signature with your key.

Encoded header length: 36

Encoded payload length: 91

Signature length: 43

Decoded Header

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

Decoded Payload

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

sub•1234567890

iat•1516239022 (2018-01-18 01:30:22 UTC)

name•John Doe

admin•true