Unlimited flipping books: Make as many publications as you want, including as many pages as you like. Premium only. Some limitations apply on the free options. Rich publishing options: FlipHTML5 is designed to work on every platform and looks great on mobiles too. We've added a few options that let you engage with your readers and know them even better. For instance, advanced stats options are now available on every flipbook. Convert PDF, MS Office, OpenOffice to FlipBook: The Standard user can only enjoy the basic feature of FlipHTML5 software, convert PDF document to HTML5 and jQuery based page flipping book, but the Professional and Gold users are allowed to convert images and PDF. And what is more, the Gold user can even convert MS Office (Word, Excel, PowerPoint) and Open Office.