You can download PFPortChecker 1.0.40 from our software library for free. The most popular version of the PFPortChecker 1.0. The software is included in Internet & Network Tools. This free PC software is developed for Windows XP/Vista/7/8/10 environment, 32-bit version. The PFPortChecker installer is commonly called PFPortChecker.exe. This free software is an intellectual property of Portforward.
From the developer:
This port test uses a local application to listen for the server trying to connect and the positively verifies that your port is forwarded.
You may want to check out more software, such as Hamachi, Spiceworks or Core FTP, which might be similar to PFPortChecker.