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uBlock Origin vs Malwarebytes Browser Guard: catalog facts
uBlock Origin	Malwarebytes Browser Guard
Free Free and open source; no donations sought	Free Free extension from Malwarebytes.
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	Combines ad, tracker, scam and malicious site blocking Available for Chrome, Firefox, Safari and Edge
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	Closed source Fewer filter customisation options are documented than in dedicated content blockers
Browser extension	Browser extension
Open source	Closed source
License: GPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is 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 24, 2026

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