title_body: How to generate Kindle AZK on the command line from mobi/epub?
upvoted_answer: I’m not sure you can generate an AZK from the command line. From https://wiki.mobileread.com/wiki/KindleGen
  
  
    Note that Kindle Previewer is currently the only way to generate AZK files for iOS use.
  
  
  Not the answer you seek, but an answer.