Convert GeoPackage to GML

Convert GeoPackage (.gpkg) to GML (.gml) online for free. Fast, accurate geospatial format conversion with CRS reprojection.

Ready to convert?

Upload your GeoPackage file and get GML output in seconds.

About GeoPackage

GeoPackage is an OGC standard based on SQLite for storing vector and raster geospatial data. It is a modern, portable alternative to Shapefiles.

Extensions: .gpkg
Software: QGIS, ArcGIS, GeoServer, MapServer, GDAL/OGR
Limitations: Less widely supported than Shapefile in older software. Single-file format can grow large.

About GML

Geography Markup Language (GML) is an OGC XML-based format for expressing geographic features. It is often used for data exchange between government agencies and in INSPIRE-compliant systems.

Extensions: .gml
Software: QGIS, ArcGIS, GeoServer, Deegree, GDAL/OGR
Limitations: Verbose XML format — large file sizes. Complex schema definitions. Slower to read/write than binary formats.

How to Convert GeoPackage to GML

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

Frequently Asked Questions

How do I convert GeoPackage to GML?

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

Is the GeoPackage to GML 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 GML files?

GML files can be opened with QGIS, ArcGIS, GeoServer, Deegree and more.

Convert GeoPackage to GML Now

No installation required. Works in your browser.