Convert nlm to pnm Online: nlm2pnm

You can use Tom's Editor to easily convert images from
Nokia Logo Manager .NLM to Portable aNy Map .PNM.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

NLM

Nokia Logo Manager is an image format with extension NLM.

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.