Convert pk to pnm Online: pk2pnm

You can use Tom's Editor to easily convert images from
Packed (PK) font .PK to Portable aNy Map .PNM.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

PK

Packed (PK) font is an image format with extension PK.

PNM

PNM images are uncompressed 24 bit RGB images. Can cannot store Alpha channel. PNM images come in 2 types: binary and text. Especially popular on Linux.