Convert hr2 to pnm Online: hr22pnm
You can use Tom's Editor to easily convert images from
HCI, HR2 .HR2 to Portable aNy Map .PNM.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
HR2
HCI, HR2 is an image format with extension HR2.
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.