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Privoxy vs AdLock: catalog facts
Privoxy	AdLock
Free Free software; donations are welcome.	Paid The AdLock apps are sold as a paid purchase.
Windows, macOS, Linux	macOS, Browser extension
Filters both HTTP headers and page content Works for one machine or a whole network	Filters ads in apps as well as browsers No acceptable ads whitelist
Configuration takes effort to learn No trusted build infrastructure for binary packages	Paid, closed-source software HTTPS filtering means trusting the app with your traffic
Downloadable app	Downloadable app, Browser extension
Open source	Closed source
License: GPL-2.0-or-later	License not stated
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 24, 2026	Official website Full listing and sources Checked October 2, 2026

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