Free Proxy Checker

Paste proxies as IP:PORT (one per line) and check them live. The protocol is auto-detected - we try HTTP, SOCKS5 and SOCKS4 and report the one that works. Each proxy is tested through a real request - results stream in as they finish.

Up to 100 proxies per run, with a fair-use daily limit per visitor. Need to check thousands at scale? A paid provider like Advanced.name is the way to go.