MOBI – Mobipocket

Mobi pocket eBook

MOBI (Mobi pocket eBook) – This format is specially developed for the Amazon Kindle appliance, which from other formats of digital books, supports only PDF and TXT.

.mobi (Mobi pocket eBook) – is a format of digital books, with texts based on XHTML code, which permits you to use frames and elements of Java Script. MOBI format includes the support of copyright protection from DRM (Digital Right Management), images and tables (chart). This format provides to implement inter-active operations, such as communion correction, remarks and as well as, creating annotations and bookmarks. MOBI- format was developed for optimization of graphic images on mobile devices with low performance.

Format introduction Mobipocket SA was a French company incorporated in March 2000 that created the .mobi e-book file format and produced the Mobipocket Reader software for mobile phones, personal digital assistants (PDA) and desktop operating systems.
Technical details The Mobipocket e-book format is based on the Open eBook standard using XHTML and can include JavaScript and frames. It also supports native SQL queries to be used with embedded databases. The Amazon Kindle's AZW format is basically just the Mobipocket format with a slightly different serial number scheme, and .prc publications can be read directly on the Kindle. The Kindle AZW format also lacks some Mobipocket features such as JavaScript.
File extension .mobi .prc
MIME application/x-mobipocket-ebook
Developed by Amazon.com Inc.
Type of format e-book file format
Associated programs Mobipocket Reader, Calibre, Google Play Books, Stanza Desktop, Sumatra PDF, Mobi File Reader, FBReader, Okular
Wiki https://en.wikipedia.org/wiki/Mobipocket