uBlock Origin Lite logo

uBlock Origin Lite

by Raymond Hill (gorhill)Extension

Real-time Analytics

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About This Extension

An efficient content blocker. Blocks ads, trackers, miners, and more immediately upon installation. uBO Lite (uBOL) is an efficient MV3-based content blocker. The default ruleset corresponds to uBlock Origin's default filterset: - uBlock Origin's built-in filter lists - EasyList - EasyPrivacy - Peter Lowe’s Ad and tracking server list You can enable more rulesets by visiting the options page -- click the _Cogs_ icon in the popup panel. uBOL is entirely declarative, meaning there is no need for a permanent uBOL process for the filtering to occur, and CSS/JS injection-based content filtering is performed reliably by the browser itself rather than by the extension. This means that uBOL itself does not consume CPU/memory resources while content blocking is ongoing -- uBOL's service worker process is required _only_ when you interact with the popup panel or the option pages.

Screenshots

1 of 2
uBlock Origin Lite screenshot 1

Technical Information

Size
11.4MiB
Languages
51 supported
Extension ID
ddkjiahejlhf...

Links & Resources

Version History

2025.818.1918
Current Version
Latest
08/20/2025
2025.818.1917
Previous Version
07/21/2025
2025.818.1916
Older Version
06/21/2025