Convert shr to pnm Online: shr2pnm
You can use Tom's Editor to easily convert images from
SHR .SHR to Portable aNy Map .PNM.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
SHR is an image format with extension SHR.
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.