Common Ports Reference

Search and browse a reference table of common TCP/UDP ports

Search and browse a reference table of common TCP/UDP ports

Search ports (number, service or protocol)

Privacy: Common Ports Reference runs completely in your browser. Your input never leaves your device.

Common Ports Reference FAQ

Is Common Ports Reference free to use?

Yes, this tool is completely free. There are no fees, subscriptions, or limits — open the page and use it as much as you like.

Does Common Ports Reference upload my data?

No. Common Ports Reference runs entirely in your browser on your own device. Your text and numbers never leave your computer.

Does Common Ports Reference work on mobile?

Yes. The tool is fully responsive and works on Android, iPhone, tablets, laptops, and desktop computers.