Common Port Number Lookup
Find which service uses a TCP or UDP port. Free, private and instant.
About the Common Port Number Lookup
Network ports identify services on a host. Web traffic uses 80 and 443, SSH uses 22, and databases have their own well-known ports.
When to use it
Use it when writing firewall rules, reading scan results, or checking which service a port number belongs to.
How to use the Common Port Number Lookup
- Enter or paste your input in the fields above.
- The result updates as you type, or press Run.
- Press Copy to copy the output.
Frequently asked questions
Is the Common Port Number Lookup free?
Yes. It is completely free, with no signup and no usage limits.
Is my data uploaded anywhere?
No. Everything runs locally in your browser, so what you type never leaves your device.
Does the Common Port Number Lookup work on mobile?
Yes. The tool is responsive and works on phones, tablets and desktops.
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