The ePub to PDF converter is quite a utility tool which can not only convert a file from ePub to PDF but also in most cases convert to other formats without much difficult at all. EPub sands for Electronic Publications. It is free and is the open source standard for eBooks, established by the IDPF or the International Digital Publishing Forum. There are several benefits of using ePub. It allows interoperability between various types of software and hardware as far as digital books and publications from various publishers are concerned. The digital books in unencrypted state are designed explicitly for content where the display of the text is customised and optimised depending on the device which the end user is using. In short the text display changes from a laptop to a touch screen smart phone and so on. To enable this, ePub is the standard most publishers stick to. Hence there are a lot of chances that you would need to convert the ePub to PDF format.