UBlock Origin works in the Android versions of Firefox and Chrome, although Apple’s restrictive developer guidelines prevent the iOS/iPadOS versions of these browsers from supporting any browser add-ons (including uBO). It was available for Safari but has sadly been borked in Safari 13 Catalina by Apple’s dumping support for legacy safariextz-style extensions. It is also possible to import custom lists from hosts files and to whitelist domains as you see best. The following lists are also available through the Options console: It simply blocks domains known to belong to advertising and malware sources based on community-developed blocklists.īy default the following filter lists are used: Over the years, uBlock Origin’s list of features has grown. WebRTC blocking (uBO-Extra is required to block WebRTC connections in Chromium).Uses community-developed blocklists and can custom lists.100% free and open-source (won’t even take donations!).

UBlock Origin is stuffed to the gills with more features than we can realistically cover in this review. It uses community-based blocklists to filter out unwanted traffic, and users are free to add new blocklists as they please. UBlock Origin shares the same codebase as uMatrix, which performs a similar job, but which is aimed at more advanced users. We cannot emphasize enough that uBlock Origin should not be confused with uBlock, the latter of which is now owned by Adblock Plus and participates in its 'Acceptable Ads' scheme.

Developer Raymond Hill “self-forked” uBlock Origin after transferring the original uBlock project to a different developer in 2015, after which time the two projects have been completely separate. UBlock Origin is a fork of uBlock, but both have the same original founder. UBlock Origin is a browser add-on for Firefox, Chrome (including Chromium and Opera), and Edge. Interestingly, the project actively refuses donations. UBlock Origin is 100% free and open-source software, meaning any developer can do what they like with the code without paying a fee.

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