Linux · Utilities
Authenticator
Generate two-factor codes
by Bilal Elmoussaoui
Official site: flathub.org
About Authenticator
Simple application for generating Two-Factor Authentication Codes.
Features:
Time-based/Counter-based/Steam methods support
SHA-1/SHA-256/SHA-512 algorithms support
QR code scanner using a camera or from a screenshot
Lock the application with a password
Beautiful UI
GNOME Shell search provider
Backup/Restore from/into known applications like FreeOTP+, Aegis (encrypted / plain-text), andOTP, Google Authenticator
How to install Authenticator
- Click Download — the developer's official website opens in a new tab.
- Download the latest version there and run it. Choose Custom/Advanced where offered, and skip any bundled extras.
- Prefer the command line? With Flatpak you can install and update it with: flatpak install flathub com.belmoussaoui.Authenticator
- Open Authenticator once it finishes installing.
Frequently asked questions
Is Authenticator free to download?
Yes. The Download button sends you to flathub.org, the developer's official site, where Authenticator is available to download. Flatnic doesn't host or modify any files.
How do I install Authenticator from the command line?
With Flatpak, run: flatpak install flathub com.belmoussaoui.Authenticator. This installs it from the official source and keeps it updated.
Is Authenticator safe?
Authenticator downloads directly from the developer. As always, scan the installer with your antivirus and choose Custom setup to skip any bundled extras.