Privoxy - http://www.privoxy.org/ does just this and works very well when config...

		joosters on May 14, 2014 \| parent \| context \| favorite \| on: AdBlock Plus’s effect on Firefox’s memory usage Privoxy - http://www.privoxy.org/ does just this and works very well when configured properly. It's also one of the few ways to reliably block ads on iOS apps.