Convert srs to pnm Online: srs2pnm

You can use Tom's Editor to easily convert images from
Screen 12 .SRS to Portable aNy Map .PNM.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

SRS

Screen 12 is an image format with extension SRS.

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.