Common Port Lookup

Common Port Lookup

Free

Free online common port lookup tool, supports searching by port number, service name and description, provides port information queries in categories including Web services, databases, remote access, file transfer, email services and more.

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About Common Port Lookup

Free online common port lookup tool, supports searching by port number, service name and description, provides port information queries in categories including Web services, databases, remote access, file transfer, email services and more.

port lookupnetwork protocolsservice ports

User Guide

Key Features
  • Free online tool for looking up common ports. Search by port number, service name, or description with fuzzy matching to quickly locate the port you need.
  • Covers 7 categories — Web services, databases, remote access, file transfer, email services, network services, and others. Each entry shows the protocol (TCP/UDP/Both), service name, and what it is used for.
How to Use
  1. Open the tool page — no download or installation needed.
  2. Type a port number, service name, or description (e.g. 80, MySQL, mail) into the search box; matching results appear instantly. You can also browse via the common-ports shortcuts or categories.
  3. Click any entry to see its details. To start a new search, click Reset to clear the current query.
Important Notes
  • This tool is completely free and requires no sign-up.
  • All port data is built into the page and queried locally in your browser — your information never leaves your device.

Frequently Asked Questions

What is Common Port Lookup?

Free online common port lookup tool, supports searching by port number, service name and description, provides port information queries in categories including Web services, databases, remote access, file transfer, email services and more.

How do I use Common Port Lookup?

Open the tool page — no download or installation needed. Type a port number, service name, or description (e.g. 80, MySQL, mail) into the search box; matching results appear instantly. You can also browse via the common-ports shortcuts or categories. Click any entry to see its details. To start a new search, click Reset to clear the current query.

What should I know before using Common Port Lookup?

This tool is completely free and requires no sign-up. All port data is built into the page and queried locally in your browser — your information never leaves your device.

Is Common Port Lookup free to use?

Yes, Common Port Lookup is completely free. No download or installation required — it runs right in your browser.