ProtonMail (unofficial)

Unofficial ProtonMail extension. Provides notifications and makes it possible to close the ProtonMail tab, and even the browser, without getting logged out.

ProtonMail (unofficial) is available to install from Firefox Browser Add-ons and for download from this page. It has 496 active users The latest version is 1.10.0, and it was published 2 years ago.

Install from Firefox Browser Add-ons
View source code
Total download count: 0 (Only count downloads from Firefox-Stats)

All available versions

You can find the current and older versions of ProtonMail (unofficial) here. You can download the archived versions or inspect their source codes.

As a free user, you can only download the latest version.

Upgrade to download older versions
 1 version available for download.

Install XPI file

  1. Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

  2. In Firefox browser, go to about:addons to open Add-ons Manager
  3. Click on , then select Install Add-on From File
  4. Select the ProtonMail (unofficial) ZIP file from step 1. ProtonMail (unofficial) is now installed on your browser.