Doing some 8-bit ASCII art, but can’t remember where you left your copy of MicroKnight for the Amiga? Or maybe you just need some low-res-but-high-style bitmap fonts to go with your LED pixel array.

You don't. In general, whenever you need to go from raster to vector you have to do it by hand. I'd guess that there isn't a program to take bitmap fonts and convert them to TrueType without some ...