Two tools for Proton.
A browser extension and an Android app that bring the full power of Proton to your toolbar and your phone — end-to-end encrypted, made by one person who uses them every day.
Mail Checker for Proton Mail
Firefox & Chrome extension
Read, compose, and manage your Proton Mail right from the browser toolbar — without ever opening a tab. Multi-account, rich-text compose, OpenPGP decryption.
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Sync Provider for Proton
Android app · Android 10+
A native Android sync adapter that brings your Proton Contacts and Proton Calendar to every app on your phone — fully encrypted, fully offline-capable.
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