If you are also someone who wants to convert his documents into PDF format, here is a step-by-step guide on how to convert a file into PDF using a mobile app on Android or iOS.

Calibre is a free, open-source e-book manager that lets users convert EPUB files to Kindle-readable MOBI files. Here's how to use it: Download and install Calibre.

Users no longer need to manually convert ePub files to a format that the Kindle will be able to open, as the device can open and view it as is.