AdBlocker Ultimate

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

AdBlocker Ultimate - Ultimate Ad Blocking

"AdBlocker Ultimate" is a comprehensive Firefox extension that strips away every form of advertisement and tracking, enhancing browsing speed and security. It's a tool committed to user privacy, rejecting the concept of 'acceptable ads' or whitelisted advertisers. Users gain back their web browsing experience with improved performance and reduced resource consumption. As an open-source project, it invites user collaboration for continual improvement.

Add-on stats

Manifest V2
By: AdAvoid
Daily users: 1,740,721
-10,709
Version: 3.8.32 (Last updated: 2025-02-14)
Version code: 5887341
Creation date: 2016-02-18
Weekly download count: 9,644
Firefox on Android: Yes
Permissions:
  • tabs
  • <all_urls>
  • webRequest
  • webRequestBlocking
  • webNavigation
  • storage
  • unlimitedStorage
  • contextMenus
Size: 7.11M
Full description: See detailed description

Other platforms

AdBlocker Ultimate (v4.0.68)
2,000,000 4.83 (58,068)
Not available on Android
AdBlocker Ultimate (v4.0.68)
668,657 4.80 (3,177)

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Effective ad blocking
  • Removes undetected ads
  • User-friendly experience
  • Consistent performance on various websites
Cons
    Most mentioned
    • Effective ad blocker
    • Removes unwanted ads
    • User satisfaction
    User reviews
    by Apache Flower, 2025-03-09


    .
    by sachin, 2025-03-08
    View all user reviews

    Add-on safety

    Risk impact

    AdBlocker Ultimate requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

    Risk impact analysis details
    • Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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    • High ****** ********* ** * ****** ******** ******** ********** * ******* ******* *****
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    • Low ******* ****** ** *** ********* ********
    Risk likelihood

    We don't have sufficient data to confidently determine the risk likelihood of AdBlocker Ultimate. Use it at your own risk.

    Risk likelihood analysis details
    • High This extension was recently updated in the past month. New updates may not be stable or safe.
    • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
    • Low **** ********* *** **** **** ****** ******* ********** **** ****** ** ** ****** *** *****
    • Good **** ********* *** **** **** *******
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