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Open Port Checker

Quickly check open ports on your network. Our free Open Port Checker helps test TCP/UDP connectivity and improve security in seconds.


Open Port Checker

Our free Open Port Checker tool allows you to instantly scan and verify whether specific TCP or UDP ports are open on your server or device. This tool is essential for network administrators, developers, and security professionals who want to troubleshoot connectivity issues, test firewall rules, or ensure server accessibility. By checking open ports, you can strengthen your network security, optimize configurations, and prevent unauthorized access. Simple, fast, and accurate—use our Open Port Checker to keep your systems safe and running smoothly.

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