If you have a manuscript or a document in another format (like PDF or Word), you can easily turn it into a MOBI file using various tools:
Websites like Project Gutenberg offer thousands of public domain books in MOBI format for free download.
You can use Amazon’s Send to Kindle service to wirelessly deliver MOBI files from your computer to your Kindle account. 4. Opening MOBI Files on Other Devices
Finding and moving MOBI files to your reading device involves a few straightforward steps:
As of early 2025, Amazon no longer accepts MOBI for new ebook submissions on Kindle Direct Publishing (KDP), preferring EPUB or KPF instead. 2. How to Create or Convert MOBI Files
You don't need a Kindle hardware device to read these files. You can use:
The Amazon Kindle App (available for PC, Mac, iOS, and Android), Mobipocket Reader, or Stanza.
A free, powerful ebook management tool. To convert, add your file to the Calibre library, click "Convert books," and set the output format to MOBI.