MobileRead Forums - View Single Post - 18MB EPUB converts to 40MB Mobi! What can I do to reduce Mobi file size?

JSWolf · 12-09-2017, 04:14 AM

Are you creating dual-format Mobi from your ePub? If you, you need to use Calibre with the KindleUnpack plugin to split the Mobi and KF8 parts of the files.

If not, there's nothing you can do as Mobi is a rathe inefficient format for file size.

12-09-2017, 04:14 AM	#11
JSWolf Resident Curmudgeon Posts: 74,037 Karma: 129333114 Join Date: Nov 2006 Location: Roslindale, Massachusetts Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3	Are you creating dual-format Mobi from your ePub? If you, you need to use Calibre with the KindleUnpack plugin to split the Mobi and KF8 parts of the files. If not, there's nothing you can do as Mobi is a rathe inefficient format for file size.