Open Port Checker
The open port checker is a tool you can use to check your external IP address and detect open ports on your connection.
Open Port Checker
The open port checker is a tool you can use to check your external IP address and detect open ports on your connection.
This tool is being migrated to the new platform. Runs entirely in your browser.
The open port checker is a tool you can use to check your external IP address and detect open ports on your connection.
Frequently asked questions
Is Open Port Checker free to use?
Yes, Open Port Checker is completely free with no sign-up, usage limits, watermarks or ads gating the result. Just open it and use it.
Is Open Port Checker safe and private?
Yes. Open Port Checker runs entirely in your browser — your files and data never leave your device and nothing is uploaded to any server.
Do I need to install anything to use Open Port Checker?
No installation is required. Open Port Checker works in any modern web browser on Windows, macOS, Linux, Android and iOS.
How do I use Open Port Checker?
The open port checker is a tool you can use to check your external IP address and detect open ports on your connection.. Enter or upload your input, and you'll get instant results you can copy or download.