Decode JWT Online — Free JWT Decoder

Decode JSON Web Tokens instantly in your browser. View header, payload, and check expiration.

Step 1: Paste your JWT token

Paste a JWT token in header.payload.signature format.

Is it safe to decode JWT online?

Yes — all decoding happens in your browser. Your token is never sent to any server.

What does JWT contain?

Header (algorithm), Payload (claims), and Signature (verification).