Convert wbmp to pnm Online: wbmp2pnm

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

Go to Tom's Editor

WBMP

Wireless bitmap is an image format with extension WBMP.

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.