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Google Analytics Opt-out Browser Add-on vs AdNauseam: catalog facts
Google Analytics Opt-out Browser Add-on	AdNauseam
Free Free to download and install from Google.	Free Free browser extension.
Browser extension	Browser extension
Official opt-out mechanism provided by Google itself Available for Chrome, Firefox, Safari and Edge	Ad blocking based on uBlock Origin Automatic ad clicks obfuscate your tracking profile
Only affects Google Analytics, not other trackers Only works with the supported analytics.js and gtag.js versions	Chromium browsers other than Edge need a manual install Clicking ads generates extra background traffic
Browser extension	Browser extension
Closed source	Closed source
License not stated	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 October 2, 2026	Official website Full listing and sources Checked September 24, 2026

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