uBlock Origin depends on lists that are edited manually every day. The default lists are enough to replace extensions like Ghostery, Privacy Badger, DuckDuckGo, and MalwareBytes.

Some things, like cookie banners, aren't blocked by default. To block them, you have to select additional lists in the Filter lists pane.

The lists mentioned below are crafted carefully and seldom cause problems. If you suspect uBlock Origin is hiding something important, use the "No cosmetic filtering" toggle. The ⏻ Power button disables uBlock Origin altogether for the current website.

The extension also offers a logger that tells you what filters are being applied to each website. To report broken websites or ads directly to the uBlock Origin project, use the 💬 Report an issue button.