Convert sr8 to pnm Online: sr82pnm
You can use Tom's Editor to easily convert images from
Graph Saurus .SR8 to Portable aNy Map .PNM.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
Graph Saurus is an image format with extension SR8.
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.