Socks Proxy Checker (SPC) can test the details (speed, version, country, smtp, udp and whether gateway or dangerous) of the socks proxy. You can use socks proxy to send email, transfer file, chat online, play game as well as surf website. Socks Proxy Checker can find the proper socks proxy for you. To have a brand new feeling of checking socks proxy. SPC can also change the socks proxy of your IE and Firefox.