Compare software

hBlock vs Privoxy: catalog facts
hBlock	Privoxy
Free Free to download and use.	Free Free software; donations are welcome.
Linux, Command line	Windows, macOS, Linux
Single portable POSIX shell script Combines several blocklist sources	Filters both HTTP headers and page content Works for one machine or a whole network
Only protects the machine whose hosts file it writes No per-app or per-request control	Configuration takes effort to learn No trusted build infrastructure for binary packages
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0-or-later
No account needed	No account needed
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 24, 2026

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