How GPX works
GPX models data through three primary elements: waypoints (individual named points of interest), routes (an ordered list of routepoints describing a planned path), and tracks (recorded paths made of one or more segments of trackpoints, often carrying timestamps and elevation). It is the common tongue of handheld GPS units, fitness watches, and outdoor apps like Garmin, Strava, and Komoot. It is a point- and line-oriented format built around navigation, not a general-purpose polygon or attribute-table format.
Coordinate systems and reprojection
The GPX specification fixes all coordinates to WGS84 latitude/longitude with elevation in meters, so like KML it carries no projection information and any exported data is expressed in EPSG:4326.
Convert GPX to another format
Choose a conversion below for the online converter, format-specific caveats, and step-by-step instructions for GPX.
Convert files to GPX
Frequently asked questions
- What file extension does GPX use?
- GPX uses .gpx.
- Does GPX store a coordinate system?
- The GPX specification fixes all coordinates to WGS84 latitude/longitude with elevation in meters, so like KML it carries no projection information and any exported data is expressed in EPSG:4326.
- Can I convert GPX online?
- Yes. GeoConvert can read or write GPX in your browser for the conversion paths listed above, without uploading free-tier files to a server.