Convert pdf ebooks to ePub for your iOS devices free

Calibre is a free tool to convert digital file formats and manages your ebooks library collection. It is quite a powerful software and supports almost all the file formats used for ebooks.
It even allows you to sync your library with various range of ebook readers and also has a ebook viewer in it to read books while converting them. Converting files from one format to the other was never this much easy and free so better try it.

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