Get Proton Authenticator for mobile and desktop
Get a secure open-source 2FA app for all your devices. No Proton Account required.
Download desktop apps
Get the full Proton Authenticator experience from the convenience of your mobile device.
Windows App
Download the Proton Authenticator app for Windows to get 2FA codes and backups on your PC.
macOS App
Download the Proton Authenticator app for macOS to get 2FA codes and backups on your Mac.
Linux App
Download the Proton Authenticator app for Linux to get 2FA codes and backups on your Linux device.
Download mobile apps
Secure your accounts with Proton Authenticator from the convenience of your mobile device.
iOS App
Download the Proton Authenticator app for iOS to get 2FA codes and backups on your iPhone or iPad.
Android App
Download the Proton Authenticator app for Android to get 2FA codes and backups on your Android device.
Our open-source Android app is also available on F-Droid(new window).
What happens if...
Lost your phone?
You won’t lose your account.
Proton Authenticator securely backs up your 2FA codes locally across your devices. Even if your device is lost or stolen, you can restore access in seconds using your encrypted backup.
Cloud gets hacked?
Even if the cloud is compromised, your codes stay safe.
We use end-to-end encryption, meaning your data is encrypted on your device. No one can read your codes.
App gets discontinued?
You're never locked in, even if the app disappears.
Proton Authenticator lets you export your 2FA codes. Because it's open source, you're never dependent on a single company to access your data.
Download a 2FA app that puts you in control
Back up your codes locally or in the cloud — it’s your choice.
Sync codes to access them on any device with end-to-end encryption.
Use offline mode to access codes anywhere, anytime.
Ditch mainstream 2FA apps that don’t respect your privacy.
