Convert ing to pnm Online: ing2pnm
You can use Tom's Editor to easily convert images from
ING 15 .ING to Portable aNy Map .PNM.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
ING 15 is an image format with extension ING.
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.