JWT Decoder & Inspector

Decode, inspect, and verify JSON Web Tokens (JWT) client-side. Inspect claims, verify timestamps, and analyze payload data securely.

100% Secure & Local: Decoded entirely inside your browser. No tokens are sent to any external server.

Encoded JWT String

1. Header (Algorithm & Type)

2. Payload (Claims & Data)

3. Signature (HMAC / RSA)