Convert pdf to grp Online: pdf2grp
You can use Tom's Editor to easily convert images from
Portable Document Format .PDF to Screen 2 .GRP.
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.
GRP
Screen 2 is an image format with extension GRP.