Port Checker
Check if a TCP port is open.
Port Checker attempts a TCP connection from Tool World servers to a hostname and port you specify. Private and local addresses are blocked.
Frequently Asked Questions
Does this leave my device?
Yes — checks run from Tool World servers against the public URL/host you enter. Private/local targets are blocked.
Can I scan private IPs?
No. Private, loopback, and link-local targets are blocked for safety.