Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
- By:
- AdAvoid
- Daily users:
- 1,614,780+ -15,397
- Rating:
- 4.78 (26,216) 31 new ratings
- Version:
- 3.8.34 (Last updated: 2025-04-14)
- Version code:
- 5929537
- Creation date:
- 2016-02-18
- Permissions:
- tabs
- <all_urls>
- webRequest
- webRequestBlocking
- webNavigation
- storage
- unlimitedStorage
- contextMenus
- Size:
- 7.42M
- Email:
- su*****@adblockultimate.net
- URLs:
- Website ,Privacy policy
- Full description:
- See detailed description
- Source:
- Firefox Browser Add-ons
- Updated:
- a day ago
Manifest V2
Ranking
# 9
User reviews
Pros
- Effective at blocking ads
- User-friendly and easy to use
- Recommended by satisfied users
- Long-term reliability and usability
Cons
- Causes issues with certain banking and club websites after recent updates
Most mentioned
- Effective ad blocking
- Problems with some websites after updates
These summaries are automatically generated weekly using AI based on recent user reviews. User
reviews may be inaccurate, spammy, or outdated.
User reviews
excellent add on
by ibm650, 2025-04-17
by Firefox user 17270162, 2025-04-16
The most recent updates has resulted in several problemd I encounter with sites I frequently go to.
by Firefox user 18167951, 2025-04-16
Add-on safety
Risk impact
AdBlocker Ultimate requires a lot of sensitive permissions. 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.
- Critical ****** ****** ** *** ********* ****** * *********** ******** **** ** ** *** ******* *** ****** **** **** *** ******* *****
- High ****** *** ********* ** ******* *** ******* ******* ** ****** *** *** ******** ******
- High ****** ********* ** * ****** ******** ******** ********** * ******* ******* *****
- High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
Risk likelihood
AdBlocker Ultimate has earned a fairly good reputation and likely can be trusted.
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 **** ********* *** **** **** *******
Upgrade to see full risk analysis details
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