Format comparison
Shapefile vs GML: Comparison
Shapefile is the most widely-used GIS vector format but is proprietary to Esri. GML (Geography Markup Language) is the OGC's official XML-based vector format used primarily in government WFS services and standards-compliant data exchange.
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Bottom line
Use Shapefile for most desktop GIS workflows. Use GML when consuming data from WFS services, working with government open data portals, or building OGC-compliant systems.
Shapefile vs GML: feature comparison
| Feature | Shapefile | GML |
|---|---|---|
| Standard body | Esri (proprietary spec) | OGC (open standard) |
| Format type | Binary | XML text |
| Human readable | No | Yes |
| Schema definition | Implicit (.dbf types) | Explicit XSD schema |
| WFS server output | Sometimes | Native |
| File size | Compact | Verbose (XML overhead) |
ShapefileWhen to use Shapefile
- Desktop GIS workflows with QGIS or ArcGIS
- Data exchange between GIS users
- Compact storage of large datasets
GMLWhen to use GML
- OGC WFS services and government portals
- Standards-compliant data exchange requiring schema validation
- European INSPIRE directive datasets
Convert between Shapefile and GML
Frequently asked questions
Q.Can I convert GML to Shapefile online?
Yes. Maparz converts GML to Shapefile instantly — upload your .gml file and download a Shapefile bundle.
Q.Why is GML so verbose?
GML uses XML which includes opening and closing tags for every element. A GML file is typically 5–10x larger than the equivalent binary format. For large datasets, use GeoPackage or FlatGeobuf instead.