Download AdBlocker Ultimate
Download AdBlocker Ultimate (current and past versions) for Firefox
AdBlocker Ultimate is available to install from Firefox Browser Add-ons and for download from this page. It has 1,470,955 daily users. The latest version is 3.8.39, and it was last updated 10 days ago.
Total download count: 62 (Only count downloads from Chrome-Stats)
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 download up to 3 latest versions.
Upgrade to download older versions
| Version | Download | Size | Download count | Timestamp |
|---|---|---|---|---|
| 3.8.39 | XPI · ZIP · Source code | 7.47MB | 4 | 2025-07-05 |
| 3.8.37 | XPI · ZIP · Source code | 7.60MB | 0 | 2025-06-30 |
| 3.8.36 | XPI · ZIP · Source code | 7.60MB | 1 | 2025-06-18 |
| 3.8.35 | Paid users only | 7.46MB | 6 | 2025-05-07 |
| 3.8.34 | Paid users only | 7.08MB | 0 | 2025-04-15 |
| 3.8.33 | Paid users only | 7.07MB | 0 | 2025-04-04 |
| 3.8.32 | Paid users only | 6.78MB | 1 | 2025-02-15 |
| 3.8.7 | Paid users only | 6.27MB | 1 | 2025-01-30 |
| 3.8.6 | Paid users only | 6.26MB | 0 | 2025-01-30 |
| 3.8.26 | Paid users only | 6.57MB | 15 | 2025-01-30 |
| 3.8.25 | Paid users only | 6.57MB | 11 | 2025-01-30 |
| 3.8.21 | Paid users only | 6.53MB | 8 | 2025-01-30 |
| 3.8.18 | Paid users only | 6.54MB | 0 | 2025-01-30 |
| 3.8.14 | Paid users only | 6.32MB | 5 | 2025-01-30 |
| 3.8.10 | Paid users only | 6.27MB | 0 | 2025-01-30 |
| 3.7.28 | Paid users only | 5.88MB | 4 | 2025-01-30 |
| 3.7.27 | Paid users only | 5.77MB | 0 | 2025-01-30 |
| 3.7.26 | Paid users only | 6.09MB | 0 | 2025-01-30 |
| 3.7.21 | Paid users only | 5.88MB | 4 | 2025-01-30 |
| 3.7.19 | Paid users only | 5.88MB | 2 | 2025-01-30 |
| 3.7.18 | Paid users only | 5.77MB | 0 | 2025-01-30 |
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.
- Simply drag-and-drop the XPI into Firefox to install the add-on.
Install ZIP file
- Download and unpack the AdBlocker Ultimate ZIP file to a directory of your choice.
- In Chrome browser, go to
chrome://extensions - Enable Developer mode.
- Click on the Load Unpacked button.
- Select the directory of with the unpacked AdBlocker Ultimate ZIP file from step 1. AdBlocker Ultimate is now installed on your browser.
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