How to Upload a PDF file to your Kindle on a Mac

Step 1 

Download the Kindle App from Amazon on your Mac here is the link it's a free App

Click Here For The Free App

Step 2 

Open the Send to Kindle App and sign into your amazon account

Step 3 

Drag and drop the file into the app window 

Step 4

Select the Kindles you want to send it to from your list 

Step 5

Then Click Send - if all goes well you will see an upload bar and then you will see the confirmation below

Can user this app to transfer iBooks to a Kindle? 

Unfortunately this app only works with regular documents, PDF's etc.