Free, open-source Chrome extension that generates TOTP verification codes to protect your online accounts.
Your secrets never leave your device. All TOTP codes are generated locally with no external servers.
Optionally lock your codes behind a password. They are encrypted on your device, and a recovery code means a forgotten password never costs you your accounts.
Built-in time synchronization check ensures your codes are always accurate and valid.
Scan QR codes directly from your screen. No need for a phone camera — just click and add.
Works completely offline. No internet connection required to generate your 2FA codes.
Easily backup and restore your accounts. Migrate from other authenticator apps in seconds.
Find your accounts instantly with built-in search. No scrolling through long lists.
Automatic local backups keep the last 7 days, so a mistake or a browser reset doesn't cost you your accounts.
Available in English, Spanish, Chinese, Russian, Japanese, and many more languages.
Join thousands of users who trust Authenticator for their 2FA needs.
Add to Chrome — It's Free