Pasteport

🔐 Zero-Knowledge Client Utility

JWT Debugger & Claims Inspector

Decode, inspect, and verify JSON Web Tokens entirely in your browser without transmitting sensitive tokens to any server.

✓ Token Active:Expires on 3/26/2026, 6:13:20 PM
Alg: HS256Type: JWT
Encoded Token

🔒 Token is parsed directly in your client memory using JavaScript — never sent across the network.

Header (Algorithm & Type)
{
  "alg": "HS256",
  "typ": "JWT"
}
Payload (Data Claims)
{
  "sub": "1234567890",
  "name": "Alex Jordan",
  "email": "alex@proton.me",
  "role": "admin",
  "iat": 1773944200,
  "exp": 1774548800
}
Signature Verification Hash

SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c