uBO Lite (uBOL) is a *permission-less* 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 add 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 its