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 2,289,182 active users The latest version is 3.8.21, and it was published 2 months ago.

View source code

Total download count: 23 (Only count downloads from Firefox-Stats)

Install AdBlocker Ultimate from Firefox Browser Add-ons

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

Version	Download	Size	Download count	Timestamp
3.8.21	Sign in to download	6.85M	7	2024-02-20
3.8.18	Upgrade to download older files	6.86M	0	2024-02-12
3.8.14	Upgrade to download older files	6.63M	5	2023-11-29
3.8.10	Upgrade to download older files	6.58M	0	2023-11-15
3.8.7	Upgrade to download older files	6.58M	1	2023-10-24
3.8.6	Upgrade to download older files	6.57M	0	2023-10-17
3.7.28	Upgrade to download older files	6.16M	4	2023-05-26
3.7.27	Upgrade to download older files	6.05M	0	2023-05-16
3.7.26	Upgrade to download older files	6.39M	0	2023-05-04
3.7.21	Upgrade to download older files	6.16M	4	2023-01-26
3.7.19	Upgrade to download older files	6.17M	2	2022-10-01
3.7.18	Upgrade to download older files	6.05M	0	2022-08-02

How to install AdBlocker Ultimate from an XPI file

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

How to install AdBlocker Ultimate from a ZIP file

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