OTPSync

2FA Authenticator & Google Authenticator sync — TOTP, HOTP, Steam Guard, Battle.net codes with an encrypted, zero-knowledge vault.

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.