2FA Authenticator & Google Authenticator sync — TOTP, HOTP, Steam Guard, Battle.net codes with an encrypted, zero-knowledge vault.
Users
19
+9 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#153K
#128K among extensions
Version
3.0
updated 28 Jul 2026
Users
monthly, 3 months
Latest, 15 Oct 2026:19 usersMove the mouse over the chart for any month
Ratings count
monthly, 3 months
Latest, 15 Oct 2026:0 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 OTPSync
Tired of switching between your browser and phone every time you need a verification code?
OTPSync is a Chrome authenticator that securely stores your two-factor authentication accounts and lets you autofill one-time passwords directly in your browser. It helps you sign in faster while keeping your authentication data protected with local encryption and a zero-knowledge architecture.
Faster Two-Factor Authentication
OTPSync detects supported login forms and lets you insert verification codes with a single click or a convenient right-click shortcut, reducing the need to manually copy and paste one-time passwords.
Built with Privacy in Mind
Your authentication data is encrypted locally before it is synchronized.
Features include:
AES-256-GCM local encryption
Zero-knowledge architecture
PBKDF2 key derivation (600,000 iterations)
Local-only decryption
Your master password and authentication secrets remain under your control.
Secure Synchronization
Keep your encrypted vault available across your desktop devices.
You can synchronize your data using:
OTPSync Cloud
Your personal Google Drive
Both services together
All synchronized data remains encrypted before leaving your device.
Easy Account Setup
Getting started is simple.
Import accounts from Google Authenticator.
Scan QR codes directly from webpages or saved screenshots.
Add new accounts in just a few clicks.
Additional Features
Automatic vault lock after inactivity
Fast account search
Active device management
Remote device revocation
Support for TOTP and HOTP authentication
OTPSync is designed for anyone who wants a faster and more convenient way to manage two-factor authentication without compromising privacy or security.