title_body: How to convert PDFs to readable Kindle format
upvoted_answer: Simplest way is to send kindle team an email with the PDF attached along. They'll send you back the converted .mobi format.
  
  
    Send to Kindle by E-mail Send documents to your Kindle as an email
    attachment You and your approved contacts can send documents to your
    registered Kindle devices, free Kindle reading applications, and your
    Kindle Library in the Amazon Cloud by e-mailing them to your
    Send-to-Kindle e-mail address ([name]@kindle.com). Your Send-to-Kindle
    e-mail address is a unique e-mail address assigned to each of your
    Kindle devices and free Kindle reading applications upon registration.
    
    How to send a document to your Kindle: To find your Send-to-Kindle
    e-mail address, visit the Manage your Devices page at Manage Your
    Kindle. Documents can only be sent to your Kindle devices or apps from
    e-mail accounts that you added to your Approved Personal Document
    E-mail List. To add an e-mail account, visit the Personal Document
    Settings page at Manage Your Kindle. To send a document to your Kindle
    device or app, simply attach it to an e-mail addressed to your
    Send-to-Kindle e-mail. It is not necessary to include a subject in the
    email.