With Filestar you get 0 different skills for working productively with TeX Packed Font (.pk) files.
About .Pk
Name
TeX Packed Font
Extension
.pk
Format
Binary
Category
Font
Developer
Donald Knuth
Description
A TeX packed (PK) font - METAFONT characters rasterized at one fixed resolution, the bitmap font format of classic TeX systems. Filestar converts it to TrueType, OpenType and the other font formats by drawing the pixels as outlines.