JWT decoder

Inspect the header, payload and signature of a JSON Web Token. Decoding only — no secret leaves your browser.

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

{
  "sub": "user_8421",
  "name": "Avery Carter",
  "role": "admin",
  "iat": 1718745200,
  "exp": 1918748800
}