Exporting waypoints out of Google?

[cruiseroutfit]

I've got a Google .KMZ file, loaded with way points and a brief description on each waypoint. Any idea how to export that to a .gpx file or even a plain .txt file?

 

[cruiseroutfit]

Found one
http://www.gpsvisualizer.com/convert

 

[IntrepidXJ]

GPSbabel is another application that converts GPS files