Free Open Port Checker – Test Your Network Ports Instantly

Easily check if your network ports are open or closed with our free online open port checker. Whether you're troubleshooting connectivity issues or ensuring network security, our tool provides a quick and reliable solution.

Key Features:

• Instant Port Checking: Quickly verify the status of any TCP/UDP port.
• User-Friendly Interface: No technical skills required—just enter the port number.
• Security Testing: Ensure your network is not vulnerable to unauthorized access.
• Works with Any Device: Test ports on your router, server, or local network.

How to Check Open Ports Using Command Line

You can also check open ports manually using command-line tools like:

Why Check Open Ports?

• Diagnose connectivity issues and firewall restrictions.
• Ensure services like HTTP, FTP, and SSH are accessible.
• Improve network security by closing unused ports.

Start checking your ports now and secure your network with our reliable open port checker!