Format comparison

DXF vs FlatGeobuf: CAD vs Modern Binary GIS

DXF is AutoCAD's established exchange format for engineering drawings. FlatGeobuf is a modern binary GIS format optimized for web delivery and spatial indexing. They serve entirely different domains but both handle vector geometry.

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Bottom line

Use DXF for CAD and engineering. Use FlatGeobuf for web GIS data delivery and modern geospatial pipelines.

DXF vs FlatGeobuf: feature comparison

FeatureDXFFlatGeobuf
Primary useCAD engineering drawingsWeb GIS data delivery
CRS metadataNoneYes
Spatial indexNoYes (Hilbert R-tree)
HTTP streamingNoYes
Curves and arcsYesNo (approximated)
Web browser supportNoYes (via GDAL/JS)

DXFWhen to use DXF

  • AutoCAD, Civil 3D, Revit workflows
  • Engineering and infrastructure projects
  • Technical drawings with precise curves

FlatGeobufWhen to use FlatGeobuf

  • Web map data delivery via CDN
  • Large GIS datasets requiring fast spatial queries
  • Cloud-native geospatial pipelines

Convert between DXF and FlatGeobuf

Frequently asked questions

Q.Can I convert DXF to FlatGeobuf online?

Yes. Maparz converts DXF to FlatGeobuf — upload your .dxf and download a .fgb file.

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