Simple Port Tester is a simple application that allows you to know if a port that you are going to use is open or closed. Some programs that we use can try to use the virtual ports of a computer to access the Internet, as is the case of the majority of P2P file exchange applications. If they don't work properly, it may be due to the fact that they are trying to access via a closed port. Simple Port Tester is a free tool that allows to check if a port is open.
Using this program is very simple. You only have to add the public IP address of your computer and select the ports that you want to check. In a few seconds Simple Port Tester will notify you about the status of these ports. Once you know the situation of the ports you can use another tool like Simple Port Forwarding to open them.
Simple Port Tester will avoid that you have to take part in complex configurations of your router to check if the port that you're interested in is open.
Don't think twice and download Simple Port Tester for free.