This is a tool that converts save files used on the Nintendo Switch version into a format that can be used on the Steam version. If you are using a real Nintendo Switch console, you will need to back up your save data by whatever method is available to you.
If you are using Ryujinx or Eden, you can use the save files you were already using as-is. The save files for the Nintendo Switch version of SUPER ROBOT WARS Y are stored in this kind of format.
This tool converts those files so they can be u...
