Kindle Mobi2Mobi Mac

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This page of the Visual Kindle Guide was created by Leep, pilotbob and daffy4u.

The instructions on using your KindlePID and KindleFix , are based on the contributions of MobileRead member, Tommy Persson. We thank you!

If you have any questions, please post in this thread on MobileRead.

[edit] How to use Mobi2Mobi on .azw, .mobi and .prc Books - Mac

Mobi2mobi is part of a set of Mobiperl tools written by MobileRead member Tommy Persson for manipulating the metadata information in Mobipocket files.

Mobi2mobi is particularly useful in fixing the missing metadata for DRM’d ebooks converted using Kindlefix to the Kindle's .azw format from .mobi or .prc.

Note: We HIGHLY suggest that you use a back-up copy of your book for conversion just in case something goes awry. :)


Prior to using these scripts you must follow the Install Mobi2Mobi Mac directions.

Step 1) Open a terminal window and change to the folder where you have placed your book. It is recommended that you do work right in the Downloads folder and then move it to your eBook folder once you are done working with it.

cd ~/Downloads

Step 2) To use mobi2mobi, the command line is:

mobi2mobi originalbookname.prc --outfile revisedbookname.prc     

Optional commands are --author and --title to add/change the ebook title or author (that's 2 dashes in front the words "author" and "title").

The following command line would correct missing metadata for Huckleberry Fin by Mark Twain:

mobi2mobi 'Huckleberry Fin.prc' --outfile RevHuckleberryFin.prc --title 'Huckleberry Fin' --author 'Mark Twain'  
Note that spaces within information must be enclosed in single quote marks.

For .azw books downloaded directly from Amazon (not created with Kindlefix) an additional set of parameters must be used to change the title of the book. The --exthtype updatedtitle --exthdata parameters.

mobi2mobi originalBOOKname.azw --outfile revisedFILEename.azw --exthtype updatedtitle --exthdata revisedBOOKname.azw 

Step 3A) Here is how we correct the title of the .azw book we created using Kindlefix Mac. Our book is actually titled "The Natural" but after KindleFIXing it, the metadata was changed so the title read "EXTH".

Home page before.jpg

Chap1 before.jpg

Step 3B) We open a terminal window and change to the "Downloads" folder


Step 3C) To correct the title, we used the following command (be sure to type carefully and don't worry if what you type wraps to the next line):

mobi2mobi Natural-583.azw --outfile RevNatural-583.azw --title "The Natural"

Mobi2Mobi does it's thing.


The revised copy of the book (RevNatural) is now in our "Downloads" folder. At this point you can delete all other versions of the book, if you choose.


The final results!

M home page after.jpg

M chap1 after.jpg

--Pilotbob 11:52, 23 November 2008 (EST)

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