Convert GPX to FlatGeobuf

Convert GPX (.gpx) to FlatGeobuf (.fgb) online for free. Fast, accurate geospatial format conversion with CRS reprojection.

Ready to convert?

Upload your GPX file and get FlatGeobuf output in seconds.

About GPX

GPS Exchange Format (GPX) is an XML-based format for GPS data including waypoints, tracks, and routes. It is the standard for sharing GPS data between devices and applications.

Extensions: .gpx
Software: Garmin BaseCamp, Strava, AllTrails, QGIS, Google Earth
Limitations: Only supports Point and LineString geometries. No custom attributes. WGS 84 only.

About FlatGeobuf

FlatGeobuf is a performant binary encoding for geographic data based on FlatBuffers. It supports streaming and random access for fast partial reads.

Extensions: .fgb
Software: QGIS, GDAL/OGR, Leaflet, OpenLayers, GeoServer
Limitations: Relatively new format with limited support in older software. Single layer per file.

How to Convert GPX to FlatGeobuf

  • Upload your GPX file (.gpx)
  • Review detected layers, features, and coordinate system
  • Select FlatGeobuf as your output format
  • Choose a target coordinate reference system (optional)
  • Click Convert and download your FlatGeobuf file

Frequently Asked Questions

How do I convert GPX to FlatGeobuf?

Upload your GPX file to ConvertGeoData, review the detected data, select FlatGeobuf as the output format, and click Convert. Your converted file will be ready to download in seconds.

Is the GPX to FlatGeobuf conversion free?

Yes! ConvertGeoData offers free conversions for all users. No account required for basic conversions. Sign up for a Pro or Business plan for higher limits.

Can I change the coordinate system during conversion?

Yes. ConvertGeoData automatically detects your source CRS and lets you reproject to any EPSG coordinate reference system during conversion.

What software can open FlatGeobuf files?

FlatGeobuf files can be opened with QGIS, GDAL/OGR, Leaflet, OpenLayers and more.

Convert GPX to FlatGeobuf Now

No installation required. Works in your browser.

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