2FA & TOTP authenticator code generator with QR scanning, smart 1-click autofill, encrypted backups, and optional Chrome Sync.
Users
87
+31 in 30 days
Rating
4.3 / 5
unchanged in 30 days
Ratings
6
0 in 30 days
Store rank
#88K
#73K among extensions
Version
1.1.3
updated 17 Aug 2026
Users
monthly, 6 months
Latest, 15 Oct 2026:87 usersMove the mouse over the chart for any month
Ratings count
monthly, 6 months
Latest, 15 Oct 2026:6 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Authenticator - 2FA & TOTP Code Generator
## Fast & Secure Authenticator Extension for Browser
Authenticator is a powerful two-factor authentication (2FA) extension designed to protect your accounts with two-step verification directly from your browser toolbar.
### Key Features:
• Secure TOTP Generation: Generate 6-digit 2FA verification codes instantly.
• One-Click Auto-Fill: Automatically insert OTP codes into login forms.
• Encrypted Backups: Securely backup and restore your authentication keys.
• Offline Support: Access your 2FA tokens anytime, even without an internet connection.
• PIN & Biometric Lock: Protect your authenticator vault from unauthorized access.
### Why Choose Authenticator?
Unlike standard authenticator apps, our 2FA authentication extension provides a seamless login experience while prioritizing privacy with zero-knowledge encryption.
### Privacy & Security
Your security is our top priority. All secret keys are stored locally and encrypted using AES-256. We never track or sell your personal data.