![uBlock Origin](https://addons.mozilla.org/user-media/addon_icons/607/607454-64.png?modified=mcrushed)
uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
What is uBlock Origin?
"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.
Stats
This add-on was removed from Firefox Browser Add-ons on
2024-05-11
By: Raymond Hill
Users: 7,840,433
Rating: 4.79
(17,643)
Creation date: 2015-04-25
Weekly download count: 159,925
Firefox on Android: Yes
Risk impact: Very high risk impact
Risk likelihood: Very low risk likelihood
Manifest version: 2
Permissions:
- alarms
- dns
- menus
- privacy
- storage
- tabs
- unlimitedStorage
- webNavigation
- webRequest
- webRequestBlocking See more
Size: 3.86M
URLs: Website ,Privacy policy
Stats date:
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Summary
uBlock Origin is not an "ad blocker", it's a wide-spectrum content blocker with CPU and memory efficiency as a primary feature.
Out of the box, uBO blocks ads, trackers, coin miners, popups, etc. through the following lists of filters, enabled by default:
- EasyList (ads)
- EasyPrivacy (tracking)
- Peter Lowe’s Ad server list (ads and tracking)
- Online Malicious URL Blocklist
- uBO's own lists
More lists are available for you to select if you wish:
- EasyList Cookie
User reviews
User reviews summary
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spammy, or outdated.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
- Fast and lightweight
- Regularly updated
Cons
- Can sometimes break certain websites
Most mentioned
- Effective ad blocking
- Life saver
- Perfect thanks
Recent 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
Safety
Risk impact
uBlock Origin is very risky to use and it requires a lot of sensitive permissions. Avoid installing this add-on unless you absolutely trust this publisher.
Risk likelihood
uBlock Origin has earned a good reputation and can be trusted.
Upgrade to see risk analysis details