Port checker: commands to see what is using a port
Type a port, pick your system, and get the exact commands to see what uses it, stop it and test it.
Use this tool to find out which program is using a port on Windows, macOS or Linux. It gives you the exact commands to copy.
How to use it
- Type the port number.
- Choose your system. We guess it from your browser.
- Run the commands in a terminal on your own computer. Nothing is sent to this site, and a website cannot look at your ports for you.
Find what is using port 8000
Run these in a terminal on your computer. Nothing is sent to this site.
Questions about Port checker
- How do I find which process uses a port?
- Windows: netstat -ano | findstr :PORT. macOS: lsof -i :PORT. Linux: sudo ss -tlnp | grep :PORT.
- Can this website scan my ports?
- No. A website cannot see the ports on your computer. The tool only gives you commands to run yourself.