Made an account just to say this:
I came here in desperation of finding something that lets me get XNB files and found this.
The program works just intended, but the output files didn't. I figured because Terraria only accepts XNB files that were originally a SPRITEFONT.
I already found a way to do that, but the only thing that can help me needs Visual Studio 2010 which no longer exists.
If you, in no obligation, can compile a similar program that converts SPRITEFONT into XNB, that'd be appreciated!