Port Scanner

Check whether common web ports are reachable from your browser. Raw TCP port scanning is not available in browsers.

Port Scanner Configuration

Enter a host and ports to test for browser-reachable HTTP or HTTPS services

Host or IP Address

Port Range

Common Port Ranges

Quick probe (shorter timeout)

Important: Browsers cannot perform raw TCP port scans. This tool only checks HTTP/HTTPS reachability, and only for hosts you own or have permission to test.