Hamster Free eBook Converter is the perfect solution for dealing with these problems, not only because it is completely free, but also because it provides a particularly user-friendly interface. To convert any eBook in any format from your digital library, all you need to do is drag and drop it into the program and then select the name of the device that you want to use it with. You don't actually need to know anything about different formats and file extensions. Once you've selected your device, the program will convert the eBook in just a few seconds. It also, of course, supports the most popular PDF format as well.