Mobipocket

MOBI converter

MOBI conversions all need the optional server worker, which is not enabled on this deployment. Everything below still explains the format, and the ebook converter linked below lists every conversion that does run in your browser.

No MOBI conversion runs in this browser today. Browser-based ebook conversions are listed on the ebook converter page.

MOBI

Mobipocket

Amazon's original Kindle format, bought along with Mobipocket in 2005 and formally retired for new content in 2022. Existing files still work; new ones should be EPUB or AZW3.

Developed by: Mobipocket / Amazon
Released: 2000
Extension: .mobi, .prc
MIME type: application/x-mobipocket-ebook
Compression: Lossless

At a glance

Reading needs the optional server worker.
Writing needs the optional server worker.
No conversions run in this browser today — every direction needs the optional server worker.

See every ebook format →