OTP Helper

Current releases

Downloads
and updates

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

Windows application

OTP Helper

v0.3.35

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

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

Download for Windows

Chromium extension

OTP Helper

v0.4.13

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

Google Chrome · Microsoft Edge · Яндекс Браузер · Opera · Brave · Vivaldi · Chromium 116+

Open Chrome Web Store

Firefox extension

OTP Helper

v0.4.14

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

Mozilla Firefox · Zen Browser · Firefox 142+

Open Mozilla Add-ons

Windows release 0.3.35

What changed

  • ✓Fixed reconnecting the same Gmail account without restarting the PC Agent.
  • ✓Cached Gmail access is now bound to the exact OAuth grant and reset after reconnection.
  • ✓If Google rejects a stale access token, the Agent refreshes it once and safely retries.
  • ✓Signed update verification and rollback protection remain unchanged.