JWT Lens — Support

Decode & verify JSON Web Tokens — 100% offline.

Using JWT Lens

Enable JWT Lens in Safari → Settings → Extensions.
Click the toolbar icon, then paste a JWT — or tap Grab selection to use text you've selected on the page.
Tap Sample to try it instantly.
To verify a signature, choose the algorithm and paste your HMAC secret or PEM public key, then tap Verify.

Everything happens on your device. JWT Lens makes no network requests and stores no data. See the Privacy Policy.

Questions, bug reports, or feature requests: itoama@gmail.com