Authenticator Extension Alternatives

Authenticator Extension is described as 'Authenticator generates two-factor authentication (2FA) codes in your browser. Use it to add an extra layer of security to your online accounts' and is a Authenticator in the security & privacy category. There are more than 50 alternatives to Authenticator Extension for a variety of platforms, including Android, iPhone, iPad, Android Tablet and Linux apps. The best Authenticator Extension alternative is Bitwarden, which is both free and Open Source. Other great apps like Authenticator Extension are Aegis Authenticator, Proton Authenticator, Ente Auth and Bitwarden Authenticator.

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Alternatives list

  1. Mauth icon
     7 likes

    Mauth (pronounced Moth) is a Two-Factor Authentication app with support for TOTP and HOTP (coming soon) and compatibility with Google Authenticator.

    Cost / License

    Application type

    Platforms

    • Android
    • F-Droid
     
  2. Tofu generates one-time passwords to help you protect your online accounts. These passwords are used together with your normal password when you sign into services like Google, Facebook, Dropbox, Amazon, and GitHub.

    37 Tofu Authenticator alternatives

    Cost / License

    • Free
    • Open Source (ISC)

    Application type

    Alerts

    • Discontinued

    Platforms

    • iPhone
     
  3. KeyVault icon
     2 likes

    OTP authenticator app for managing your 2FA / OTP codes on iPhone, iPad, Mac and Apple Watch.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Apple Watch
    • Linux Mobile
    • Flathub
    • Flatpak
     
  4. Keysmith icon
     5 likes

    Keysmith is a token generator for your two-factor authentication (2FA) logins. It supports time and hash-based one-time passwords (TOTP/HOTP).

    Cost / License

    Application type

    Platforms

    • Linux
    • KDE Plasma
    • Linux Mobile
    • Flathub
    • Plasma Mobile
    • Flatpak
     
  5. Gnome Authenticator is a desktop 2FA code generator for Linux desktops, like Ubuntu.

    Cost / License

    Application type

    Platforms

    • Linux
    • Linux Mobile
    • Flathub
    • GNOME
     
  6. Authi icon
     2 likes

    Modern two-factor authentication app with cloud sync that values privacy and security.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Windows
    • Android
    • Google Chrome
    • Mozilla Firefox
    • Microsoft Edge
     
  7. 2FAGuard icon
     4 likes

    Encrypted Windows app for managing 2FA codes with AEGIS-256 and Argon2id, supporting Windows Hello, portable use, multilingual interface, token import/export, QR code/manual entry, generic TOTP, local storage, and dark mode interface for enhanced security.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Windows
     
  8. Protectimus icon
     7 likes

    Protectimus Solutions provides a powerful multi-factor authentication service. We offer 2FA SaaS platform and on-premise version of the product which supports a great variety of TOTP tokens and program tokens for OTP delivery.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  9. LastPass Authenticator offers a unique one-tap password verification experience that no other authenticator app delivers.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  10. FreeOTP+ icon
     11 likes

    Open-source Android authenticator supporting TOTP and HOTP, material design UI, backup and restore via files, Google Drive, or Android backup, works offline, privacy-focused, no analytics or ads, suitable for securing logins on popular services.

    Cost / License

    Application type

    Platforms

    • Android
    • F-Droid
     
  11. OTPClient icon
     6 likes

    GTK+ application for securely managing TOTP & HOTP tokens. Content is encrypted on disk using AES256-GCM. Master password derived using PBKDF2 with 100k iterations & SHA512 as hash algorithm. Can import encrypted backups from andOTP & Authenticator+.

    Cost / License

    Application type

    Platforms

    • Linux
    • Flathub
    • GNOME
     
  12. Etopa icon
     2 likes

    Etopa is a two-factor-authentication app, which runs as a web server and can be accessed using a web browser or using an Android app. You can use the Etopa.de instance or host your own.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Online
    • Android
     
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