uBlock Origin

Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
"uBlock Origin" is a comprehensive content blocking add-on for Firefox, prioritizing efficiency in both CPU and memory usage. It effectively blocks a variety of online nuisances including ads, trackers, and malicious URLs right out of the box using multiple pre-selected filter lists such as EasyList and EasyPrivacy. It offers users additional customizable options like annoyance lists and JavaScript blocking, alongside advanced features to tailor the browsing experience. This open-source tool is a creation for users, by users, with extensive documentation and a supportive community.
Manifest V2
Daily users: 7,840,433
Version: 1.57.2 (Last updated: 2024-05-10)
Creation date: 2015-04-25
Weekly download count: 159,925
Firefox on Android: Yes
Permissions:
  • alarms
  • dns
  • menus
  • privacy
  • storage
  • tabs
  • unlimitedStorage
  • webNavigation
  • webRequest
  • webRequestBlocking
  • See more
Size: 3.86M
Full description: See detailed description
Updated: a year ago

User reviews

Pros
  • Effective ad blocking
  • Fast and lightweight
  • Regularly updated
Cons
  • Can sometimes break certain websites
Most mentioned
  • Effective ad blocking
  • Life saver
  • Perfect thanks
These summaries are automatically generated weekly using AI based on recent user reviews. User reviews may be inaccurate, spammy, or outdated.
User reviews
Отличное расширение! В связке с другим адблокировщиком работает безупречно.
by Max, 2024-05-11

by Nunya, 2024-05-11

by OmegaSui, 2024-05-11
View all user reviews

Add-on safety

Risk impact

uBlock Origin 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 ****** ****** ** *** ********* ****** * *********** ******** **** ** ** *** ******* *** ****** **** **** *** ******* *****
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Risk likelihood

uBlock Origin has earned a good reputation and can be trusted.

Risk likelihood analysis details
  • Low This extension was updated more than 6 months ago. Older versions are more likely to be stable and safe.
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** **** **** ****** ******* ********** **** ****** ** ** ****** *** *****
  • Good **** ********* ** * ******** ********* ** ******* ******* *******
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Upgrade to see full risk analysis details

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