Check it out: https://chrome.google.com/webstore/detail/draftback/nnajoiemfpldioamchanognpjmocgkbg
Note: This is an extension so it will add a button into all of your Google Documents. Just click that Draftback button to create the "draftback" of your document.
Interested in learning more? Here is a great video on how to use the extension by Ann Radefeld:
Want to learn about using it with English papers? Here is a great video by Jenna at Tips Team: