JWT Decoder

Decode JWTs instantly in your browser. No server-side processing for your security.

Your token is decoded locally in your browser and never sent to any server.

{}
{}
HMACSHA256( base64UrlEncode(header) + "." + base64UrlEncode(payload), your-256-bit-secret )

Free online JWT Decoder. View the Header and Payload of your JSON Web Token (JWT) instantly. All processing is done client-side for your security.