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AdGuard Browser Extension vs Google Analytics Opt-out Browser Add-on: catalog facts
AdGuard Browser Extension	Google Analytics Opt-out Browser Add-on
Free The browser extension is free to install.	Free Free to download and install from Google.
Browser extension	Browser extension
Blocks ads, pop-ups and trackers Cosmetic filtering hides leftover page elements	Official opt-out mechanism provided by Google itself Available for Chrome, Firefox, Safari and Edge
Only filters inside the browser, not other apps System-wide filtering requires AdGuard's separate apps	Only affects Google Analytics, not other trackers Only works with the supported analytics.js and gtag.js versions
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 23, 2026	Official website Full listing and sources Checked October 2, 2026

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