Localhost,
under control.
See the local servers running on your machine. Stop, rename, or open one in a click.
Download
Free and open source. Pick your platform.
Builds are unsigned. On macOS, right-click LocalStop and choose Open the first time. On Windows, SmartScreen may ask for confirmation. Linux builds target glibc 2.39 (Ubuntu 24.04+). All releases ↗
See
Every listening port, process, and PID in one short list.
Stop
End the process cleanly. No terminal, no guessing which PID.
Name
Rename a port once and the label stays. Search by it later.