Boxoft Flash Flip Book Creator for Html5 - Version 3.8.8 Boxoft Flash Flip Book Creator for Html5 is a simple but powerful application to convert PDF documents to HTML5 flipbook with page turning effect. With Boxoft Flash Flip Book Creator for Html5, you can edit flip flash book professionally and quickly with thousands of detailed options. It also enables you to preview the changes of flip book after you make an option.