How to Convert EPUB & MOBIĬonverting books between the EPUB and MOBI formats is incredibly easy. That might be the case though, since most third-party e-readers and reading apps such as Adobe Digital Editions aren’t compatible with Amazon’s in-house format.
That said, if the book you want to read comes as a MOBI file already, there’s no reason to convert it to EPUB unless your device is incompatible with MOBI files. The only real reason to use MOBI is for compatibility with Amazon’s e-reader and app, but otherwise it has no advantages over EPUB, which is a widely accepted format that is much easier to work with. If you’re using anything other than a Kindle or the Kindle app, then EPUB is the better format. That means that in order for a MOBI file to be backwards-compatible with every Kindle device, it needs to contain multiple copies of the book that conform to each version of the MOBI or AZW3 formats. As Amazon has been continuously releasing new Kindle devices, it has also been updating its proprietary file format to go along with the new hardware.
This file format is developed internally by Amazon and is essentially an upgraded MOBI with additional DRM capabilities as well as updated layouts and typesetting.Īmazon’s in-house format dates back to a company called Mobipocket that Amazon acquired way back in 2005.īecause MOBI’s main intent is compatibility with all of Amazon’s devices, the files are usually much larger than EPUBs. Although you might still come across it on third-party download sites, it’s been replaced as Amazon’s official e-book format by AZW3. MOBI is mostly a legacy format at this point. Graphically intensive e-books especially benefit from the EPUB format, as these types of books can quickly balloon in size when using MOBI or AZW3 and become completely unusable as a PDF.
The format is open source, features extensive typesetting and layout options, and supports highlighting, bookmarks and even multimedia files like images and videos.ĮPUB files also tend to be much smaller than MOBI and PDF files and are directly compatible with services like Google Docs. What Is the EPUB Format?ĭeveloped by the International Digital Publishing Forum, EPUB is the most widely accepted e-book format. There are a few different ways of encoding e-books, but by far the most common e-book formats are EPUB, MOBI and MOBI’s descendant, AZW3. Generally, file formats are designed to carry one specific type of information, such as an image, audio, video or - as we’re about to discuss here - e-books. If you’ve used any kind of computer, chances are you’ve heard of formats like JPG, PDF or MP3. If the book was purchased through Amazon, it’ll be automatically converted to MOBI or AZW3, but if it’s from another source you’ll need to convert it before your Kindle can open the file.ĮPUB vs MOBI: What Are E-book File Formats?Ī file format is essentially a standardized way to encode information so that it can be understood across devices and programs. No, Kindle devices can’t read EPUB files.
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