The initial uBlock was developed by Raymond Hill in order to enable community-maintained block lists while simultaneously adding additional features and upgrading the code quality to proper release standards. The original uBlock extension was created in 2014 by Raymond Hill, founder, author, and lead developer of uBlock Origin, by forking the codebase of HTTP Switchboard with a separate blocking extension, uMatrix, previously designed for advanced users.

If ever you really do want to contribute something, think about the people working hard to maintain the filter lists you are using, which were made available to use by all for free.

More lists are available for you to select if you wish:Īdditionally, you can point-and-click to block JavaScript locally or globally, create your own global or local rules to override entries from filter lists, and many more advanced features.

Peter Lowe’s Ad server list (ads and tracking).

through the following lists of filters, enabled by default:

Out of the box, uBO blocks ads, trackers, coin miners, popups, etc. UBlock Origin is not an 'ad blocker', it's a wide-spectrum content blocker with CPU and memory efficiency as a primary feature.

Free downloads uBlock Origin 1.51.0