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Adblock Plus vs Google Analytics Opt-out Browser Add-on: catalog facts
Adblock Plus	Google Analytics Opt-out Browser Add-on
Free Free and open source under GPLv3 or later.	Free Free to download and install from Google.
iOS, Browser extension	Browser extension
Available for all major desktop browsers Customizable filter lists	Official opt-out mechanism provided by Google itself Available for Chrome, Firefox, Safari and Edge
The homepage leans on marketing claims rather than technical detail Separate apps are needed for mobile browsers	Only affects Google Analytics, not other trackers Only works with the supported analytics.js and gtag.js versions
Downloadable app, Browser extension	Browser extension
Open source	Closed source
License: GPL-3.0-or-later	License not stated
No account 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.