uBlock Origin

uBlock Origin

Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.

What is uBlock Origin?
uBlock Origin is a high-performance, wide-spectrum Firefox add-on. Beyond being just an 'ad blocker', it excels in blocking a wide array of content, including ads, trackers, coin miners and popups instantly. Pre-configured with several filter lists like EasyList (for ads) and EasyPrivacy (tracking), it offers immense customization to the users. The add-on is a unique blend of CPU and memory efficiency, aiming to deliver a seamless browsing experience.
Stats
Version: 1.56.0 (Last updated: 2024-03-26)
Creation date: 2015-04-25
Weekly download count: 158,172
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: 3.82M
Stats date:

Other platforms

uBlock Pro
uBlock Pro (v2.1.7)
4.20 (126) 20,000
uBlock Origin
uBlock Origin (v1.56.0)
4.60 (1,998) 15,369,200
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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
See more
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
  • Best AdBlocker
  • Gamechanger
  • o melhor de todos
Cons
  • Some websites not opening
  • Allows some ads
Most mentioned
  • Best AdBlocker
  • Gamechanger
  • Some websites not opening
Recent reviews
by JWallet, 2024-03-28


So much of my time was being wasted by stupid ads. The difference this makes is sublime. I love it.
View all user reviews
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
Screenshots