Compare software

Privoxy vs Squid: catalog facts
Privoxy	Squid
Free Free software; donations are welcome.	Free Free and open source under the GNU GPL; donations accepted.
Windows, macOS, Linux	Windows, Linux, Self-hosted
Filters both HTTP headers and page content Works for one machine or a whole network	Caching that reduces bandwidth use Extensive access control rules
Configuration takes effort to learn No trusted build infrastructure for binary packages	Configuration is large and takes time to learn Heavier than minimal proxies for simple forwarding
Downloadable app	Downloadable app, Self-hosted
Open source	Open source
License: GPL-2.0-or-later	License: GPL
No account needed	No account needed
Not stated if it works offline	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.