Format comparison
KMZ vs GML: Google Earth vs OGC Standard
KMZ is Google's compressed format for Earth visualization. GML is the OGC's XML-based data exchange standard used by government web services and enterprise GIS. These formats serve different systems and audiences.
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Bottom line
Use KMZ for Google Earth distribution. Use GML for OGC WFS services and government data portals.
KMZ vs GML: feature comparison
| Feature | KMZ | GML |
|---|---|---|
| Primary use | Google Earth visualization | OGC WFS data exchange |
| Format type | Compressed KML (ZIP) | XML text |
| CRS support | WGS 84 only | Any CRS |
| Schema validation | No | Yes (XSD) |
| Styling | Rich inline styles | None |
| Government data portals | Rarely | Common |
KMZWhen to use KMZ
- Google Earth visualization and distribution
- Maps with embedded images and styling
- Non-technical user audiences
GMLWhen to use GML
- OGC WFS services
- Government open data and INSPIRE compliance
- Standards-validated data exchange
Convert between KMZ and GML
Frequently asked questions
Q.Can I convert KMZ to GML online?
Yes. Maparz converts KMZ to GML — upload your .kmz and download a .gml file.