Convert ska to pnm Online: ska2pnm

You can use Tom's Editor to easily convert images from
Video renting box SKA .SKA to Portable aNy Map .PNM.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

SKA

Video renting box SKA is an image format with extension SKA.

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.