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uBlock Origin vs AdBlock: catalog facts
uBlock Origin	AdBlock
Free Free and open source; no donations sought	Freemium Free extension; AdBlock Premium adds paid features such as cookie banner blocking.
Browser extension	Browser extension
Wide-spectrum blocking of ads, trackers, coin miners, popups and malware sites using EasyList, EasyPrivacy and other… Designed to be CPU and memory efficient	Blocks pop-ups, banners and video ads Blocks third-party trackers
Removed from the Chrome Web Store on 2026-08-31 with the Manifest V2 deprecation Microsoft Edge is transitioning consumers away from Manifest V2 extensions starting August 2026	Allows Acceptable Ads by default Cookie banner blocking requires the paid Premium tier
Browser extension	Browser extension
Open source	Closed source
License: GPL-3.0	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.