Ghost Auth by Kestrel AS

Ghost Auth is a free, open-source TOTP two-factor authentication manager. This companion extension syncs with the Ghost Auth desktop and mobile app, giving you quick access to your 2FA codes directly from the browser toolbar.

Features:
- Generate TOTP codes for all your accounts
- Search and filter accounts instantly
- Copy codes to clipboard with one click
- PIN lock for extra security
- Encrypted backup and restore
- Dark and light theme support
- Fully offline — no data ever leaves your device