MOBI: Just like EPUB, MOBI is also derived from the old OEB format.EPUB eBooks can optionally be protected using a DRM scheme such as Adobe’s ADEPT DRM. In EPUB 3, even Javascript code, audio and video assets can be added. Nook, Kobo, Sony Reader etc, an EPUB is really an archive of Web Standards including HTML, CSS, images, and SVG. Supported by almost all eBook readers except Kindle i.e. EPUB: A vendor-neutral, open-standard and by far the most ubiquitous eBook format.Here’s a bit more detail on eBook formats: Now that you’ve converted your EPUB to MOBI or the AZW3 Kindle format, check out our in-depth article on How to Send eBooks to Your Kindle. Once you have added an EPUB to your library, just click the convert books icon on the ribbon menu.

Calibre is an open-source completely free eBook manager capable of converting to and from many eBook format types including EPUB to MOBI and AZW3.

If you want a great free offline solution, we recommend you install Calibre.

Simply add your EPUB files, select the conversion format such as MOBI or AZW3, and click convert now.

is a free multi-file conversion site so you can choose to convert your EPUB to MOBI or AZW3.

Just drag and drop one or more EPUB files and once it’s converted simply click download.

is a great free online option that’s specifically designed for converting EPUB to AZW3.

To convert your EPUB to MOBI or AZW3, we recommend one of the following tools:

The main difference between the EPUB open format and the Amazon proprietary formats is that typically MOBI and AZW3 files are protected by Digital Rights Management, or DRM, which locks down your eBook to a specific device associated with your Amazon account. AZW3 is an updated and more sophisticated form of MOBI that works on all modern Kindles. To read your EPUB eBook on a Kindle you must first convert it to an Amazon proprietary standard such as MOBI or the newer AZW3 format. Most eReaders support the EPUB format so they’re perfect for sharing, but unfortunately, they can’t be read on Amazon Kindle devices.

Calibre kindle to epub