Convert wig to pnm Online: wig2pnm
You can use Tom's Editor to easily convert images from
Wigmore Artist 64 .WIG to Portable aNy Map .PNM.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
Wigmore Artist 64 is an image format with extension WIG.
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.