Port Checker
Check whether a TCP port is reachable.
Server check
Input
Output
Waiting for server response...
This tool sends the entered domain or URL to the server so it can run the external check.
Why developers use it
- Port Checker gives a focused workspace for one development task without extra navigation.
- It is grouped with Network tools, so related utilities are one click away.
- The external check is executed through the server and shows a loading state while the result is prepared.
How it works
- Enter the value for Port Checker or load the sample.
- The server performs the external lookup and returns the response to the output panel.
- Review the result and copy it when it is ready.
Network
Check whether a TCP port is reachable.
FAQ
What is Port Checker used for?
Port Checker helps developers run an external check for a public domain or URL through the server.
Is my data uploaded to the server?
Yes. For this server-side tool, the entered domain or URL is sent to the server so it can perform the external check. Do not enter secrets, private tokens, or internal-only hosts.
Can I bookmark a tool directly?
Yes. Every tool has its own localized URL.