Convert pdf to otb Online: pdf2otb
You can use Tom's Editor to easily convert images from
Portable Document Format .PDF to On-the-air Bitmap .OTB.
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.
On-the-air Bitmap is an image format with extension OTB.