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 Aegis Authenticator, which is both free and Open Source. Other great apps like Authenticator Extension are Proton Authenticator, Ente Auth, Bitwarden Authenticator and 2FA Authenticator (2FAS).

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Alternatives list

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

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    • F-Droid
     
  2. Copy a direct link to this comment to your clipboard

    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.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • iPhone
     
  3. KeyVault icon
     2 likes
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    OTP authenticator app for managing your 2FA / OTP codes on iPhone, iPad, Mac and Apple Watch.

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application type

    Platforms

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

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • KDE Plasma
    • Linux Mobile
    • Flathub
    • Plasma Mobile
    • Flatpak
     
  5. Copy a direct link to this comment to your clipboard

    Gnome Authenticator is a desktop 2FA code generator for Linux desktops, like Ubuntu.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • Linux Mobile
    • Flathub
    • GNOME
     
  6. Protectimus icon
     7 likes
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    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 (Subscription)
    • Proprietary

    Application type

    Platforms

    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  7. Copy a direct link to this comment to your clipboard

    FreeOTP+ is a fork of FreeOTP with an updated user interface and with backup/restore functionality (to external files or via built-in Android backup/restore).

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    • F-Droid
     
  8. Etopa icon
     2 likes
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    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
     
  9. OTPClient icon
     6 likes
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    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+.

    48 OTPClient alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • Flathub
    • GNOME
     
  10. CloudOTP icon
     1 like
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    An awesome two-factor authenticator based on Flutter, supports Android, Windows and Linux platforms, and supports multiple cloud backup methods such as Onedrive, Dropbox, WebDAV, S3Cloud, etc.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Linux
    • Flathub
    • Windows
    • Mac
    • Android
    • iPhone
     
  11. Clockode icon
     1 like
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    Clockode is a minimal, and offline-only TOTP code generator that stores your authentication secrets in an encrypted local vault, keeping your two-factor codes private and accessible without needing an internet connection.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Linux
    • Mac
    • Windows
    • Flathub
    • Flatpak
     
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