Convert sir to pnm Online: sir2pnm

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

Go to Tom's Editor

SIR

Solitaire file is an image format with extension SIR.

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.