GPX vs KML

GPX is the universal interchange standard for Garmin, Strava, and handheld GPS units, while KML excels at styled map presentations and polygons.

GPX

GPS Exchange Format XML schema tailored for waypoints, routes, elevation profiles, and timestamped GNSS trackpoints.

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KML

OGC Keyhole Markup Language supporting styled polygons, extrusions, icons, and 3D camera tours for Google Earth.

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Feature Comparison

FeatureGPXKMLGIS GeoJSON, KML, GPX & WKT Converter Studio
Hardware GPS supportNative on Garmin & GNSS loggersLimited on field handheldsConvert GPX ↔ KML ↔ GeoJSON
Polygon & stylingPoints, routes & tracks onlyPolygons, styles & 3D viewsInspect geometry & bounds
Track telemetryElevation + per-point timestampsgx:Track extension requiredPreserve Z elevation data

Verdict

Use GPX for hiking, drone logs, and GNSS field receivers; convert to KML or GeoJSON when styling polygons or sharing interactive web maps.

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Frequently Asked Questions

What is the difference between GPX and KML?

GPX is the universal interchange standard for Garmin, Strava, and handheld GPS units, while KML excels at styled map presentations and polygons. On the points that matter most: Hardware GPS support — GPX: Native on Garmin & GNSS loggers; KML: Limited on field handhelds. Polygon & styling — GPX: Points, routes & tracks only; KML: Polygons, styles & 3D views. Track telemetry — GPX: Elevation + per-point timestamps; KML: gx:Track extension required.

Is GPX better than KML?

Use GPX for hiking, drone logs, and GNSS field receivers; convert to KML or GeoJSON when styling polygons or sharing interactive web maps. If you mainly need the core feature without a subscription or signup, GIS GeoJSON, KML, GPX & WKT Converter Studio is a free alternative to both.

Is there a free alternative to both GPX and KML?

Yes — our GIS GeoJSON, KML, GPX & WKT Converter Studio is completely free with no account required.

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