Run ProtonMail in distraction-free window, manage multiple ProtonMail accounts easily and much much more with the unofficial ProtonMail desktop app for macOS, Windows and Linux on WebCatalog.

Don't have WebCatalog installed? Download WebCatalog.


Launch ProtonMail quickly from dock or taskbar and run ProtonMail in self-contained, distraction-free windows.

Multiple Accounts

Manage multiple ProtonMail accounts at the same time and switch between them with just a click or using keyboard shortcut.

App Lock

Protect your data from sneaky eyes with passwords or Touch ID.

Enhanced Notifications

Control notifications by schedule and show unread badge on dock (or taskbar) icon.
ProtonMail is the world's largest secure email service, developed by CERN and MIT scientists. We are open source and protected by Swiss privacy law.


Disclaimer: We are not affiliated, associated, authorized, endorsed by or in any way officially connected to ProtonMail except for the fact that we use their websites to develop and provide you this app. All product names, logos, and brands are property of their respective owners.