Portforward Check - PortforwardCheck is a lightweight application that can simplify the way you verify the availability of your ports.
Simply type in the port number to check it
The program doesn’t require installation, so you can decompress the archive and type in the number of the port you want to verify. Besides the port number, you can also select the protocol it was configured for and here you have 2 options, TCP and UDP. As indicated as a lower note in the GUI, if a response is received in either of the protocols, then it means that the port is accessible.
The application offers additional features for a more detailed examination of port forwarding. This includes the ability to input a public IP address and to choose a port check website and service. Overall, the app comes with user-friendly interface where you need to fill in basic information, or get it automatically in some cases, which simplifies how you perform port checks.
A straightforward application for checking ports
It is important to note that the role of the application is to help you determine the accessibility of the various ports you plan to use. Although it doesn’t help you set up port forwarding, it does provide a simple way to determine whether they are open and accessible.
PortforwardCheck is a tool that can come in handy to professionals and average users alike, as it offers a simple way to verify everything is working properly.
Download: 
Portforward.Check.1.1.2.7z - 5.2 MB