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Malwarebytes Browser Guard vs AdGuard Browser Extension: catalog facts
Malwarebytes Browser Guard	AdGuard Browser Extension
Free Free extension from Malwarebytes.	Free The browser extension is free to install.
Browser extension	Browser extension
Combines ad, tracker, scam and malicious site blocking Available for Chrome, Firefox, Safari and Edge	Blocks ads, pop-ups and trackers Cosmetic filtering hides leftover page elements
Closed source Fewer filter customisation options are documented than in dedicated content blockers	Only filters inside the browser, not other apps System-wide filtering requires AdGuard's separate apps
Browser extension	Browser extension
Closed source	Open source
License not stated	License: GPL-3.0
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 24, 2026	Official website Full listing and sources Checked September 23, 2026

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