AdBlocker Ultimate

Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.

AdBlocker Ultimate is available to install from Firefox Browser Add-ons and for download from this page. It has 1,873,827 active users The latest version is 3.8.26, and it was published 4 months ago.

Install from Firefox Browser Add-ons
View source code
Total download count: 47 (Only count downloads from Firefox-Stats)

All available versions

You can find the current and older versions of AdBlocker Ultimate 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
 14 versions 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 AdBlocker Ultimate ZIP file from step 1. AdBlocker Ultimate is now installed on your browser.