However, if you so choose to, it's capabilities can be improved with the addition of custom lists and filters, but do keep in mind that the more sources you add, the more resources this tiny extension will require.

That said, it's perfectly capable of running on its own, right out of the box, without any intervention on your part. It enforces its might through the power of popular anti-ad filters such as EasyList, EasyPrivacy, Peter Lowe's Ad server list, and Malware Domains. Empowered by some of the best ad-blocking filters to date Right off the bat, here's what you need to know: it's easy to install (just like most Opera extensions), highly configurable and, best of all, extremely light on your computer's resources. In just a few words, uBlock Origin is a cross-browser extension (also available for Chrome and Firefox) that was designed for the sole purpose of improving your web browsing experience by blocking everything from ads and trackers all the way up to other adware-related elements. The rising star of this select category of tools goes by the name of uBlock Origin. Ad blockers have become an instrumental tool for most of us, and for a good reason, considering the ever-increasing number of Internet ads.

For mac download uBlock Origin 1.51.0