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Browser conversion not available for .mobi
MOBI is a proprietary Kindle binary format that requires desktop software to decode. Use one of the free methods below — each takes under a minute.
Free Ways to Convert
Calibre (free, desktop)
RecommendedDownload and install Calibre from calibre-ebook.com. Drag your .mobi file into the library, right-click it → Convert books → Convert individually. Set Output format to EPUB → OK.
Calibre — drag & drop shortcut
EasiestOnce Calibre is installed, you can also simply drag the .mobi file onto the Calibre window. Then right-click → Convert books → set output to EPUB.
Send to Kindle / re-download as EPUB
No softwareFor books purchased on Amazon: if available, re-download from your Amazon library in EPUB format (Amazon added EPUB export in 2022 for most titles).
Once you have an .epub file…