Look up an IP, check what a proxy leaks, and format a list — no signup. Speed, latency, and UDP stay on the desktop tester so they run from your own connection.
Browser tools and IP lookups. Credentials never leave this tab for formatter and PAC work.
Where an IP is, who runs it, and whether it looks residential, mobile, or datacenter.
›WebRTC and DNS leak checks — what a site can still see when a proxy is on.
›Turn a mixed list into host:port, user:pass@host:port, curl, JSON, or a template of your own.
Paste a PAC file and see which proxy Chrome or Firefox would pick for each address.
The public list, re-checked around the clock. Copy or download — no signup.
›Per-app HTTP and SOCKS5 routing. No root required.
›Batch checks, download speed, and SOCKS5 UDP run on your machine. That keeps our servers out of the path and works with IP-locked endpoints.
Windows app: check any list from your own connection, then measure latency, exit IP, and SOCKS5 UDP.
Connect Chrome through your proxy in one click, test the exit, and see what sites see.
Online list checkers eat bandwidth and hang on dead proxies. We send that work to the desktop app instead.
Residential, Mobile, Business, ISP, and Datacenter lines — then verify them with the tools above.