FlippingBook3D PDF to HTML Converter - Version 2.5 FlippingBook3D PDF to HTML is a fast way to make HTML5 webpage from PDF files for transmitting online. It reserves all the construct elements includes layout, text, and image even inner or external links on the raw PDF. It supports Hot Directories Mode that runs in the Windows background which just needs you several drag and drops. Win 32 and 64 bit both support it.