Tools

JWT Decoder

Paste a JSON Web Token to inspect its header, payload, and signature. Expiration (exp) and not-before (nbf) claims are highlighted automatically. Signature verification requires the issuer's key, so it is intentionally not performed here.

JWT

Header

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

Payload

{
  "sub": "1234567890",
  "name": "John Doe",
  "iat": 1516239022,
  "exp": 1516325422
}

ExpiredExpires: 1/19/2018, 1:30:22 AM

iat: 1/18/2018, 1:30:22 AM
exp: 1/19/2018, 1:30:22 AM

Signature

demo-signature

Signature verification requires the secret key and is not performed in the browser.