R20Exporter Chrome Extension Analysis

R20Exporter allows you to export a Roll 20 campaign and all of its assets into a ZIP file for backup/archiving purposes. To export your campaign go to the settings tab in the Roll20 page (the gear icon on the far right of the sidebar) and at the top you should see a button "Export Campaign to ZIP". Simply click on it, then wait until the ZIP file is generated and downloaded. While generating the ZIP file, do make sure you have the campaign tab focused in chrome (separate it in its own window if needed), otherwise the download speed of the zip will drop to very very slow transfer speeds since the javascript that generates the zip on the fly will be running as a low priority background process. The dialog that opens will show you the various steps the script is undertaking and you can click the Log button to see a more detailed log of what is happening. That dialog window will also preven…