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Get the authenticator trusted by millions — from Proton Mail, the world’s largest encrypted email provider. Proton Authenticator is open source, end-to-end encrypted, and protected by strict Swiss privacy laws.
Protect all your new accounts and strengthen security on your existing ones. Proton Authenticator keeps your 2FA codes secure, accessible, and completely private — without compromise.
KEY FEATURES
Encrypted iCloud Sync: Seamlessly sync your 2FA secrets across devices with end-to-end encryption.
Effortless Import: Migrate from Google Authenticator, Authy, or any other app in seconds.
Secure Backup & Export: Retain full control of your data with easy backup and restore options.
Swiss Privacy by Design: Built under Switzerland’s strongest data protection regulations.
Open Source & Transparent: Auditable code. No tracking. No ads.
Take control of your digital security with encryption you can trust.
Free to use: No Proton account required, ad-free.
Offline support: On mobile and desktop apps
No other 2FA app provides this combination of security and privacy.
Trusted by millions. Built by Proton.
Take control of your digital security today.
Terms of service: https://proton.me/legal/terms
Learn more: https://proton.me

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