JWT Decoder

Decode JSON Web Tokens instantly

Decode JWT tokens online. View header, payload, and signature. Check token expiration and understand claims. All client-side with no data sent to any server.

HeaderHS256
{
  "alg": "HS256",
  "typ": "JWT"
}
PayloadValid
{
  "sub": "1234567890",
  "name": "John Doe",
  "role": "admin",
  "iat": 1516239022,
  "exp": 1916239022
}
subSubject1234567890
nameNameJohn Doe
roleRoleadmin
iatIssued At1/18/2018, 1:30:22 AM
expExpiration Time9/21/2030, 4:37:02 PM
Signature
4S4Rk2hMwmMJ_MiFzEBMGDALoMXjjVMRFUK3YCnKOTc

Signature verification requires the secret key and cannot be done client-side.