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.
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.