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Convert GEOJSON to GML Online - Free & Fast

Convert GEOJSON files to GML online for free. High-quality conversion with no registration required.

GIS / Geospatial Converter

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.geojson,.GEOJSON (max 100MB)

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About GEOJSON and GML

GEOJSON

GEOJSON (GEOJSON) - GeoJSON - open standard JSON format for encoding geographic data structures. Best for web mapping, geospatial apis, data interchange.

GML

GML (GML) - Geography Markup Language - OGC standard XML for geographic features and coordinate systems. Ideal for ogc-compliant geospatial data exchange, enterprise gis.

Format Comparison

CompressionLossless → Lossless
TransparencySupported
Use CaseConvert from web mapping, geospatial apis, data interchange to ogc-compliant geospatial data exchange, enterprise gis
File Size~Larger than Shapefile due to verbose XML structure after conversion

FAQs

Is converting GEOJSON to GML free?

Yes, GoConvertFile offers free conversion of GEOJSON to GML for files up to 100MB. No registration required.

How long does it take to convert GEOJSON to GML?

Most GEOJSON to GML conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.

What is GML best used for?

GML is ideal for ogc-compliant geospatial data exchange, enterprise gis. Geography Markup Language - OGC standard XML for geographic features and coordinate systems

What file size should I expect after converting GEOJSON to GML?

File size after GEOJSON to GML conversion depends on the content complexity and quality settings. Both formats use similar compression approaches so sizes are comparable.

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What is GEOJSON?

GeoJSON is the standard format for web-based geographic data, encoding points, lines, polygons, and feature collections in JavaScript Object Notation.

What is GML?

GML (Geography Markup Language) is the OGC standard XML grammar for encoding geographic features with full coordinate reference system support.

When Should You Use GEOJSON vs GML?

Use GEOJSON When...

Reach for GEOJSON when your priority is web mapping, geospatial apis, data interchange — its uncompromising quality ensures every detail is preserved.

Use GML When...

Reach for GML when your priority is ogc-compliant geospatial data exchange, enterprise gis — its uncompromising quality ensures every detail is preserved.

GEOJSON vs GML: Key Differences

  • •GEOJSON and GML diverge on compression: lossless compression for the source, lossless compression for the target.
  • •Neither format changes compression philosophy — both are lossless compression — so any size differences are due to encoding efficiency, not a shift in quality approach.
  • •Transparency: N/A
  • •Storage footprint: 1KB to 100MB for large datasets for GEOJSON vs Larger than Shapefile due to verbose XML structure for GML.
  • •Use case fit: GEOJSON targets web mapping, geospatial apis, data interchange and GML targets ogc-compliant geospatial data exchange, enterprise gis — your choice depends on which workflow stage you are serving.

Advantages of GEOJSON

  • ✓At its core, GEOJSON relies on lossless encoding — a design choice that makes it perfect for Web mapping, geospatial APIs, data interchange.
  • ✓You won't run into compatibility issues with GEOJSON — it's a universal standard across platforms.
  • ✓File size management with GEOJSON: larger files guaranteed to match the original exactly.
  • ✓Every major application in the Web mapping, geospatial APIs, data interchange space supports GEOJSON natively.

Advantages of GML

  • ✓GML uses lossless compression tailored for OGC-compliant geospatial data exchange, enterprise GIS.
  • ✓GML is supported natively on virtually every device, browser, and operating system.
  • ✓GML files are bit-for-bit perfect, preserving every pixel and sample for professional work.
  • ✓GML integrates seamlessly with all major creative tools and workflows.

Common Use Cases for GEOJSON to GML Conversion

Industry Applications

Best Practices for GEOJSON to GML Conversion

  • →When converting GEOJSON to GML: confirm the coordinate reference system (CRS / projection) is preserved or explicitly reprojected
  • →Keep attribute tables and feature metadata intact — GML should retain all fields from GEOJSON
  • →Check geometry types (point, line, polygon) map cleanly between the two formats
  • →Verify that z/elevation values and topology survive the conversion when working with terrain data
  • →Always keep a backup of your original files before converting
  • →Choose the appropriate quality settings for your specific use case

Troubleshooting GEOJSON to GML Conversion

  • !GML features land in the wrong place after GEOJSON to GML → verify the CRS/projection; mismatched coordinate systems shift geometry
  • !Attribute columns missing in GML → some GIS formats have field name length or type limits; rename or cast columns first
  • !GEOJSON to GML drops the z/elevation dimension → pick a target format that supports 3D geometry
  • !GML file won't open in your GIS app → confirm the format version and any required sidecar files (e.g. .prj, .shx) are present

Related GIS / Geospatial Converters

Convert GEOJSON to Other Formats

GEOJSON → SHP
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GEOJSON → GPX
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GEOJSON → KML
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GEOJSON → TOPOJSON
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GEOJSON → WKT
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GEOJSON → GPKG
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Convert Other Formats to GML

SHP → GML
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GPX → GML
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KML → GML
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TOPOJSON → GML
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WKT → GML
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GPKG → GML
Convert GPKG to GML

All GIS / Geospatial Formats

SHPGPXKMLGEOJSONTOPOJSONWKTGPKGMIFTABE00DGNGDBBNAMID
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More GIS / Geospatial tools

Convert to GML →Convert from GEOJSON →