MobileRead Forums - View Single Post - To CBZ, or not to CBZ: that is the question

DrChiper · 01-20-2024, 05:06 AM

For what its worth:
CBR are compressed with the RAR-method, while CBZ are compressed with a ZIP-method. Kobo is very picky about the fact that the used compression method is expressed by using the according file-extension, otherwise the file won't show.
I've seen RAR compressed files faulty using the CBZ extension and ZIP compressed files faulty using the CBR extension. That won't matter on Windows system as Windows don't really use the file extensions, but it does matter for *nix systems.

You can check this by opening the zipped files with for instance notepad++ and look at the very first characters of that file:

RAR indicates a RAR-method compressed file, so must have extension CBR
PK indicates a ZIP-method compressend file, so must have extension CBZ

01-20-2024, 05:06 AM	#12
DrChiper Bookish Posts: 918 Karma: 1803094 Join Date: Jun 2011 Device: PC, t1, t2, t3, aura 2 v1, clara HD, Libra 2, Nxtpaper 11	For what its worth: CBR are compressed with the RAR-method, while CBZ are compressed with a ZIP-method. Kobo is very picky about the fact that the used compression method is expressed by using the according file-extension, otherwise the file won't show. I've seen RAR compressed files faulty using the CBZ extension and ZIP compressed files faulty using the CBR extension. That won't matter on Windows system as Windows don't really use the file extensions, but it does matter for *nix systems. You can check this by opening the zipped files with for instance notepad++ and look at the very first characters of that file: RAR indicates a RAR-method compressed file, so must have extension CBR PK indicates a ZIP-method compressend file, so must have extension CBZ