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AdBlock vs AdGuard Browser Extension: catalog facts
AdBlock	AdGuard Browser Extension
Freemium Free extension; AdBlock Premium adds paid features such as cookie banner blocking.	Free The browser extension is free to install.
Browser extension	Browser extension
Blocks pop-ups, banners and video ads Blocks third-party trackers	Blocks ads, pop-ups and trackers Cosmetic filtering hides leftover page elements
Allows Acceptable Ads by default Cookie banner blocking requires the paid Premium tier	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
No account 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 23, 2026	Official website Full listing and sources Checked September 23, 2026

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