IPv4 Port Checker

Check Open Port, Verify Port Forwarding

This is a set of free utilities for:

- Checking open port or your public/external IP and remotely verifying if a port is open or closed. It is useful for users who wish to check open port online or verify port forwarding and check to see if a service is running or a firewall or router forwarding port or ISP is blocking certain ports.

- IPv4 Port Tester, Check your port on your public IPv4.

The Port.Tools works well on both desktop and mobile browser.

Forwarding/Public Port Checker

Your Public IPv4:
Your Public IPv6:
Port.Tools and more available on mobile:
Download on the App Store
Port.Tools — Mobile App Available: Download on the App Store
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