Maps & coordinates | agent view
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Find the tool you need, then open it to get started.
All maps & coordinates
Coordinate converter
Convert decimal latitude and longitude to degrees, minutes and seconds.
Distance between coordinates
Geodesic surface distance with units and method.
Geojson viewer
Local geometry preview, validation and bbox.
GPX to KML
Convert GPX track geometry and elevation to KML.
KML to geojson
Convert KML features to GeoJSON.
Keep coordinates and map conventions explicit
Geographic data uses coordinate order, units and reference systems to describe locations. Files that look similar can use different conventions, so a successful parse alone does not establish that points are in the right place.
How to choose your next step
Check latitude-versus-longitude order and the coordinate reference system. Preview known locations before processing a whole route or dataset.
Common questions about maps & coordinates
Why do points appear in the wrong country?
Swapped coordinate order, incompatible reference systems or wrong units can shift points dramatically. Test a location whose expected position is known.
Does conversion improve location accuracy?
No. A format conversion preserves or transforms the supplied data; it does not make the original measurement more precise.