Flip PDF Service - Version 3.2 Have many PDFs you have to convert to flip books every day? Flip PDF Service is a windows services program which can run in the background to convert PDF files to page-flipping eBooks automatically. You can use the service to batch build flip books with ease. Flip PDF Services can watch multiple folders at the same time, using different templates, different eBook features and formats. Then you can easy share online or send to other people via emails. No programming process and no royalties to publish online. Enjoy the powerful Service program to build your digital publication kingdom.