What Is an XNB File?
A file with the XNBfile extensionis an XNA Game Studio binary file.
It’s used to save original game files into a proprietary format.

Some software might refer to these files ascompiled assetfiles.
This program, however, isn’t a practical tool to extract images from XNB files.
You might also be able to open and/or edit the file withGameTools Suite’sGXView.
How to Convert an XNB File
A regularfile converterwill not convert XNB files.
However, you may also tryTExtract,TerrariaXNB2PNG, orXnaConvertif the software from above doesn’t help.
XNB to WAVlets you copy out theWAVsound file from an XNB file.