100% Local In-Browser Decoding

JWT Decoder & Inspector

Safely decode JSON Web Tokens without exposing private user session claims, tokens, or API secrets to remote server loggers.

Encoded JWT Token String

Algorithm

HS256

Token Type

JWT

Expiration Status

Expires in 205457h 52m 51s

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

{
  "sub": "1234567890",
  "name": "Alice Doe",
  "admin": true,
  "iat": 1516239022,
  "exp": 2524608000
}

u2v1tV_v95SgUe-k0xZz5W6Wz-0Q-g3k_1Q_G9Z9G9Z

Enter the secret key used to sign this token to verify its integrity locally using Web Crypto API.