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Port Checker

ProDeveloper & Technical

Check which TCP ports are open on your own connection or on any public host, with results in plain English. Use it to confirm port forwarding, spot exposed services or test a server you run.

Features

  • Check your own connection or any public host name or IP
  • Presets for web, mail, remote access, databases, game servers and home servers
  • Custom port lists and ranges like 8000-8010
  • Open, closed and filtered explained, plus a port-forwarding checklist
  • Check history, plus CSV and JSON downloads
Open Port CheckerMore developer tools

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Port Checker after checking eight ports on scanme.nmap.org: 4 of 8 open, with SSH and HTTP open and FTP and SMTP closed, the port list above and earlier checks in the history on the rightPort Checker after checking eight ports on scanme.nmap.org: 4 of 8 open, with SSH and HTTP open and FTP and SMTP closed, the port list above and earlier checks in the history on the right

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