Two tools I use to convert waypoints that have given me the best results.
GPS Dump. I use this mainly to convert GOOD waypoints to the format I need. If the waypoints are in one of the following formats:
- Ozi/GPSDump files (*.wpt)
MapSource files (*.mps)
SeeYou files (*.cup)
GPS exchange files (*.gpx)
GoogleEarth files (*.kml)
WinPilot files (*.dat)
GPS Dump works on PC's and Mac (
mac download here). Once you have a GOOD waypoint file, then GPS Dump can convert to the formats listed above.
If you are using flychart software to upload your waypoints choose to save your waypoints as CompeGPS format. Flychart can import these directly as well as SeeYou and GPS exchange formats.
Finally if I have GOOD waypoints and need something very odd, I'll attempt to convert the waypoints on-line using an on-line converter at
GPSVisualizer