A proxy server is a kind of buffer between your computer and the Internet resources you are accessing. They allow you to bypass firewalls and content filters and browse your favorite websites, without revealing your location (IP address). Proxy 4 Free is a free proxy list and proxy checker providing you with the best free proxies over 7 years. Our sophisticated checking system measures many parameters of free proxy servers and combine them to compute our unique proxy rating. One index to rule them all :-) that includes dozens of various characteristics and how they change in time. Only the best proxies receive the maximum rating 100. View our Proxy List Sorted By Rating!