Geography Markup Language
Readablegis · also known as GML
The Geography Markup Language (GML) is the XML grammar defined by the Open Geospatial Consortium (OGC) to express geographical features. GML serves as a modeling language for geographic systems as well as an open interchange format for geographic transactions on the Internet. Full specifications can be found at http://www.opengeospatial.org/standards/gml
Identify it
| Extensions | .gml |
|---|---|
| MIME types | application/gml+xml |
| Signatures | 3c3f786d6c2076657273696f6e3d at byte 0 (Geography Markup Language) |
| PRONOM | x-fmt/227 |
| Wikidata | Q926165 |
| Library of Congress | fdd000296 |
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From PRONOM, Wikidata. Updated 2026-10-20.