If you need to reuse the areas you’ve created in smappen in another tool, or if you want to back them up to your hard drive, the “Export areas” function will allow you to do this easily.
With smappen, you can export your zones as KML files.
To do this, go to the area-management panel of the map, and click on the options button (three lines icon) to the right of one of the listed areas and choose the “Export (KML)” option:
Your browser will then download the KML file to your computer’s hard drive.
To go further: