Convert bg9 to pnm Online: bg92pnm
You can use Tom's Editor to easily convert images from
BG9/G09 .BG9 to Portable aNy Map .PNM.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
BG9/G09 is an image format with extension BG9.
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.