
Authenticator Extension
The facts below are what the maker publishes about Authenticator Extension, checked and dated. Our editors have not written about it yet.
The facts
Each one read from Authenticator Extension's own pages, with the date it was checked.
What it does
- Account features
- The extension supports password encryption, browser sync, smart filtering and search, and Battle.net and Steam accounts.checked 12 Oct 2026
- Account types
- Supported account types include TOTP, HOTP, Battle.net, and Steam.checked 11 Oct 2026
- Add accounts
- Accounts can be added by scanning a QR code or entering the account details manually.checked 12 Oct 2026
- Backup formats
- It can import backup files, QR image backups, and text backups, including Google Authenticator account exports via QR images.checked 12 Oct 2026
- Backup integrations
- It can back up files to Google Drive, OneDrive, and Dropbox, and can export backups to a local file.checked 12 Oct 2026
- Backup limitation
- Unencrypted backups for Steam or Blizzard accounts do not use the standardized backup format.checked 12 Oct 2026
- Backups
- Users can back up data to Google Drive, OneDrive, or Dropbox, or export it to a file.checked 11 Oct 2026
- Code type
- totp and hotpchecked 21 Sep 2026
- Data loss limit
- The Chrome and Edge troubleshooting pages warn that reinstalling the extension clears its data.checked 11 Oct 2026
- Data transmission
- When enabled, browser sync sends authentication information to Google account servers, while cloud backup sends it to Google Drive, Dropbox, or OneDrive.checked 12 Oct 2026
- Encrypted backup
- Yeschecked 21 Sep 2026
- Encryption
- Password-protected backups are available after setting a password in the Security menu, and the documentation recommends using them.checked 12 Oct 2026
- Google Drive privacy
- The maker says account data is stored using browser storage and that it does not see or directly control that data; Google Drive backups upload account secrets to Drive.checked 11 Oct 2026
- Import
- Backups can be imported from files, QR images, or text, including exported Google Authenticator accounts.checked 11 Oct 2026
- Open source
- The project’s public GitHub repository identifies the software as MIT licensed.checked 11 Oct 2026
- OTP standards
- It supports TOTP (RFC 6238) and HOTP (RFC 4226).checked 12 Oct 2026
- Privacy
- The privacy policy says authentication information is not sent to the maker’s server or third parties without permission and identifies no backend server for telemetry or other data.checked 12 Oct 2026
- Purpose
- Authenticator is an in-browser one-time password client that generates two-step verification codes.checked 12 Oct 2026
- QR setup
- Users can add accounts by scanning QR codes or entering account details manually.checked 11 Oct 2026
- Safari support
- A Safari edition is available on the App Store, but the project says it does not provide official support for that edition.checked 11 Oct 2026
- Search
- The extension provides smart filtering and search for accounts.checked 11 Oct 2026
Where it runs
- Browser availability
- The maker links downloads for Chrome, Firefox, and Microsoft Edge.checked 11 Oct 2026
- Multi-device sync
- Yeschecked 21 Sep 2026
Money
- Free plan
- Yeschecked 21 Sep 2026
Alternatives to Authenticator Extension
- 1

Bitwarden
Free planOpen sourceAndroidiOSWebAPI9.3From $1.65 a month - 2

Duo Mobile
Free planAndroidiOS8.5From $3 a month - 3
SAASPASS Authenticator
Free planAndroidiOSWebExtension8.4From $1 a year - 4

LastPass
Free planAndroidiOSWebExtension8.4Free plan - 5
Yubico Authenticator
Free planAndroidiOSLinuxmacOS8.1Free plan - 6
HYPR Authenticate
AndroidiOSWebAPI8.1From $3 a month
