JWT Decoder and Verifier

Name: JWT Decoder and Verifier
Rating: 4.8 (50 reviews)
Author: Marco Orta

Decode the header and payload of a JSON Web Token and verify its HS256/384/512 or RS256/384/512 signature.

JWT Token

Paste your JWT*

Secret (HS*) or PEM public key (RS*) — optional

Everything runs in your browser. The token and the secret never leave your device.

Paste a JWT in the field on the left to see its header, payload and signature.