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Network Tools

Port Checker

Check whether a port is open on a host.

Tool

Test common TCP ports and verify whether a target host is listening on a specific port.

Input

Output

How to use

Paste your text, value, or raw input into the input box.
Run the tool to process the input.
Review the output and copy the result if needed.

FAQ

What is a port checker?

A port checker tests whether a specific network port is open and reachable.

Why would a port appear closed?

It may be blocked by a firewall, filtered, or not have a listening service.

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