Core capabilities
Search for a listening port. Show the owning process. Kill the process when you confirm.
System
Find and kill the process listening on a port.
Port Killer identifies the process holding a port and lets you stop it without switching to terminal commands.
No account or card required. Local-first Mac app.
Works locallyDesigned for on-Mac processing.
Signed and notarizedBuilt for Apple Silicon Macs.
No app telemetryNo usage tracking from Foldout itself.
Free 14-day trialNo account or card required.
What it does
Built for the common jobs people usually send to separate apps.
Search for a listening port.
Show the owning process.
Kill the process when you confirm.
Detailed capabilities
What Port Killer covers.
Concrete features, inputs, and workflow details for this tool.
Inputs and scope
Works with port numbers.
How the workflow runs
Enter the port number. Find the process using it. Review the process details. Kill it only if it is safe.
Port Killer use cases
Common uses include local development, server cleanup, port conflicts, and testing resets.
How to use it
From opening the tool to saving the result.
- 01
Enter the port number.
- 02
Find the process using it.
- 03
Review the process details.
- 04
Kill it only if it is safe.
Questions
Before you try Port Killer
Can killing a process lose work?
Yes. Review the process before stopping it.
Related tools