Unfriend Checker

The easiest FREE way to check who unfriended you on Facebook! After installing this add-on a new link will be available in Facebook page. You can check your Facebook friends list and will compare results. You can download your list of friends.

Unfriend Checker is available to install from Firefox Browser Add-ons and for download from this page. It has 125 daily users The latest version is 107, and it was published 4 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 Unfriend Checker 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
107 XPI · ZIP · Source code 377.59K 0 2021-06-10

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

  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 Unfriend Checker ZIP file from step 1. Unfriend Checker is now installed on your browser.