uBlock Origin

Free!

uBlock Origin is a free and open source, cross-platform browser extension for content-filtering, including ad-blocking. The extension is available for several browsers: Safari, Chrome, Edge, Firefox, and Opera. uBlock Origin has received praise from technology websites, and is reported to be much less memory-intensive than other extensions with similar functionality. uBlock Origin's stated purpose is to give users the means to enforce their own (content-filtering) choices.

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