masterpassword for Firefox

Keep different passwords for every site you log into without having to remember anything but a single master password. And without the risk of your getting your password list stolen. MasterPassword is available for all your devices!

masterpassword for Firefox is available to install from Firefox Browser Add-ons and for download from this page. It has 640 daily users The latest version is 3.0.0, and it was published a year 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 masterpassword for Firefox 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
Version Download Size Download count Timestamp
3.0.0 XPI · ZIP · Source code 238.13K 0 2023-10-12
2.9.5 Paid users only 257.07K 0 2022-03-19

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.

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

Install ZIP file

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