Proton Authenticator

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If you're experiencing syncing issues on Proton Authenticator between Linux and Apple devices, you might need to resync your iCloud

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If you aren't able to launch Proton Authenticator on Linux, find the command you need to resolve this issue.

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Set up your Proton Authenticator app for Debian and Ubuntu-based distributions (DEB) and Fedora and Red Hat-based distributions (RPM)

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Learn how to download Proton Authenticator, sync your codes across your devices, and import codes from other authenticator apps

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Get answers to frequently asked questions about Proton Authenticator.

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In this article, we explain how to import your existing 2FA codes into Proton Authenticator

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In this article we explain how to sync your 2FA codes across devices using Proton Authenticator

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In this article we explain how you can create backups of your 2FA codes in Proton Authenticator.