Convert pdf to cm Online: pdf2cm

You can use Tom's Editor to easily convert images from
Portable Document Format .PDF to Puzzle image from X11 .CM.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

PDF

Adobe PDF format is the most popular document format. Overcomplicated. Offers compression.

CM

Puzzle image from X11 is an image format with extension CM.