Kotobee Author (Mac OS X) is an ebook creator and EPUB editor, allowing you to add interactive content that can be opened not only through Kotobee Reader, but any compliant EPUB 3 reader. Convert your PDF to EPUB, customize the look and feel of your ebook apps, and emulate the result on different platforms and devices. Export your ebook to one of many formats, to have it running on external ebook readers, inside the web browser, as a desktop application, or natively on mobile.
A large portion of the export options is provided entirely for free. All you need to do is register for a free account. The free license can be used by a single user (on a max of two machines). In Kotobee Author, click on Export at the header bar to go to the export screen. Under any export platform, you will find a button saying “Enter serial number..”. Click on the button to open the login window. Click on the button Register a free serial number.