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MOBI MOBI (eBook)

File extension .mobi
Category eBook File
Description The file type .mobi is an eBook format created by a French eBook company called Mobipocket which created a free software application for multiple devices including PDAs, smartphones and tablet devices. The company was bought by Amazon in 2005 and the support of the .mobi file extension was officially discontinued in 2011 with the AZW format superseding it.
Actions
Technical Details The eBook format is based on XHTML and also allows for frames and JavaScript. The format supports DRM protection, images and tables. It also allows for interactive actions such as adding notes, corrections, annotations and bookmarking. The format was designed to optimise certain elements such as images for mobiel devices on low bandwidth.
Associated programs
  • Apple iBooks
  • Amazon Kindle
  • Mobipocket Reader Desktop
Developed by Mobipocket / Amazon
MIME type
  • application/x-mobipocket-ebook
  • application/x-mobipocket
Useful links

AZW3 AZW3 (eBook)

File extension .azw3
Category eBook File
Description AZW3 - Kindle Format 8 (KF8) is Amazon's newer version of AZW. It supports HTML5 and CSS3 which were not supported through the standard AZW format. It has a number of other formatting options and is used by Amazon for all new Amazon eBooks. It is supported by fourth-generation Kindle devices running firmware version 4.1.0 or later and the Kindle Fire device.
Actions
Technical Details KF8 (also called AZW3) is essentially a compiled ePub that has utlises a Palm database and Amazon's DRM scheme. It targets ePub 3 version support but existing ePub can also be used. The internal format has been decoded using mobi_unpack. The basic format remains as a PDB file similar in structure to a MOBI. More oftent than not a KF8 file will contain both a MOBI file at the beginning and the newer KF8 version of ePub later.
Associated programs
  • Kindle Reader
  • Kindle for iOS
  • Kindle for Android
  • Kindle Fire
Developed by Amazon
MIME type
  • application/octet-stream
Useful links

MOBI Convert MOBI file

Using Zamzar, it is possible to convert MOBI files to a variety of other formats

  • mobi to azw3 (Amazon KF8 eBook File)
  • mobi to epub (Open eBook File)
  • mobi to fb2 (FictionBook 2.0 File)
  • mobi to oeb (Open eBook File)
  • mobi to lit (Microsoft eBook File)
  • mobi to lrf (Sony Portable Reader File)
  • mobi to pdf (Portable Document Format)
  • mobi to mp3 (Compressed audio file)
  • mobi to pdb (Palm Media eBook File)
  • mobi to pml (eBook File)
  • mobi to prc (Mobipocket eBook File)
  • mobi to rb (RocketEdition eBook File)
  • mobi to tcr (Psion eBook File)
  • mobi to txt (Text Document)

MOBI to AZW3 - Convert file now

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