Port Checker

Check if a TCP port is open on a host.

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How it works

Enter your input.
Get the result instantly.
Copy or download it.

Inputs are processed securely and not shared.

Frequently asked questions

Is Port Checker free?

Yes. You can use Port Checker for free without installing anything. A free account gives you higher daily limits, and paid plans remove most limits.

Is it safe to use?

Yes. Files are sent over an encrypted HTTPS connection, processed automatically and deleted from our servers after 60 minutes. Nobody looks at your files.

Do I need to install any software?

No. Port Checker works in any modern web browser on Windows, Mac, Linux, Android and iPhone.

Can I use Port Checker in my own app or website?

Yes. Port Checker is available through our Developer API with simple REST requests. See the API documentation

Does it work on mobile phones?

Yes. The page adapts to any screen size, so you can use it on your phone or tablet just like on a computer.

Also searched as

port checker · port checker online · free port checker

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