If you’re an avid Google docs user as I am, then you’ll get to the point where you will want to be able to export all of your docs to your local computer. If nothing else as a backup.
Unfortunately, there isn’t a built-in easy way to do this. However, there is a way to do it thanks to Firefox and some greasemonkey scripts! I just gave it a shot and it works like a charm!

7. Your selects will appear in a new page like this

1. Install Firefox if you’re still stuck in the 1990s (www.firefox.com) 
2. Install
Greasemonkey
3. Install the GoogleDocs Download Script
4. Install 
5. Go to Google Docs and select the documents you want to export (to select all documents in a folder/tag remember to click the Select: All option at the bottom of the screen.

6. Click on the new Download Your Documents menu and select the format you want to use for your documents.