Convert pdf to pgm Online: pdf2pgm
You can use Tom's Editor to easily convert images from
Portable Document Format .PDF to Portable aNy Map .PGM.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
Adobe PDF format is the most popular document format. Overcomplicated. Offers compression.
Portable aNy Map is an image format with extension PGM.