The application is lightweight and doesn't require much computer resources like CPU or RAM. Also it is very simple to use it and doesn't have any advanced settings. The interface is based on a small window where the passwords are decoded and has a few buttons only.
Starting with version 3.10, FileZilla have changed the password storing method from plain text to encrypted so this application will not work on older FileZIlla Clients. SterJo FileZilla Decryptor works on all Windows platform starting from Windows XP to the latest Windows 10 where at least FileZilla Client 3.10 or above is installed.