Applications to convert your ebook from CBZ to MOBI:
It is an online file conversion service, covering a wide range of different image, document, music, video and compression formats. Free for files up to 100MB. Read more »
Calibre is a free and open source e-book library management application. It can convert from a huge number of formats to a huge number of formats. The conversion engine has lots of powerful features. It can rescale all font sizes, detect/create book structure, insert the book metadata, etc. Read more »
Mac OS X, Windows 7, Windows Vista, Linux, Windows XP.
If you want to convert files you have hosted on Dropbox, Google Drive or an URL, this application is what you need. The free version allows a maximum upload file size of 100 MB, 10 minutes of conversion time and 2 concurrent conversions. Read more »