Convert pdf to sps Online: pdf2sps
You can use Tom's Editor to easily convert images from
Portable Document Format .PDF to Spectrum 512 (smooshed) .SPS.
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.
Spectrum 512 (smooshed) is an image format with extension SPS.