Current releases

Downloads
and updates

Install the Windows application and choose the official extension for your browser.

Windows application

OTP Helper

v0.3.38

Receives codes from connected sources and delivers them to the browser extension.

Windows 10 or 11 · automatic signed update check · manual installation

Chromium extension

v0.5.0

Finds the active verification field and receives a code from the local PC Agent.

Google Chrome · Microsoft Edge · Yandex Browser · Opera · Brave · Vivaldi · Chromium 116+

Firefox extension

v0.5.0

The published Firefox and Zen extension for the same protected local connection.

Mozilla Firefox · Zen Browser · Firefox 142+

Windows release 0.3.38

✓Five delivery profiles separate browsers and workflows on the same PC.
✓A new extension credential is issued only after approving that exact request in the PC Agent.
✓An extension profile change also requires explicit local approval.
✓Each mailbox can target a browser profile without changing iPhone settings.
✓Extensions in the same profile receive a code independently while other profiles remain isolated.