Of course, all of these can trivially be excised by the user - they just need to unzip, edit the files, zip them back up.Īlternatively, you might want to consider a steganographic technique, to hide the embedded watermark in the book content in such a way that you can easily detect its presence, but it won't be obvious to most readers. Click Convert to EPUB button to Start Conversion Click ' Convert to EPUB ' button to start converting your Kindle books to EPUB format. By clicking the Settings button on the upper right, you can customize the output path for the converted books. You could easily insert the purchaser's details at the top/bottom of every chapter in the book's metadata or even in some extra files you throw in the zip file. Click V on the bottom and choose EPUB as the output format. Your options for getting something on each 'page' are limited, as these formats reflow depending on screen size etc - so a 'page' could be an iPhone screen with a really large font and just a few words or a 30' monitor with a tiny font and consequently lots of words.Īlso, although most devices that read these formats have some limited graphics capability, trying to do something like having text float over a background image is probably beyond most of them. EPub and MobiPocket are both superficially quite similar: a bunch of HTML files, with some XML to provide metadata - all zipped up into a single file.

Pdf to epub kindle