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Convert DXF to FlatGeobuf Online — Free & Instant

Converting DXF to FlatGeobuf brings CAD geometry into a modern, high-performance GIS format. FlatGeobuf is an OGC Community Standard that combines the portability of a single file with binary performance and cloud streaming support, making it ideal for storing large CAD-derived datasets in a GIS-ready format.

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File converter

When to convert DXF to FlatGeobuf

  • Archiving AutoCAD infrastructure layers as FlatGeobuf for fast GIS access
  • Converting DXF utility networks to FlatGeobuf for cloud-native analysis

How to convert DXF to FlatGeobuf

  1. 1

    Upload your DXF

    Drop your .dxf file on the upload zone.

  2. 2

    Select FlatGeobuf

    Click FlatGeobuf in the format panel.

  3. 3

    Download the .fgb

    Open in QGIS or host on cloud storage for streaming.

About DXF

Drawing Exchange Format (DXF) is the open interoperability format developed by Autodesk for AutoCAD. It is widely used in civil engineering, architecture, and urban planning workflows. DXF files contain geometric primitives like lines, arcs, polylines, and text. When converting DXF files to GIS formats like Shapefile or GeoJSON, the geometry is preserved but attribute data may be minimal since DXF layers are mapped to feature properties. Conversely, GIS data exported to DXF can be brought into CAD workflows for drafting.

Strengths

  • +Universal in CAD workflows
  • +Supported by AutoCAD, Revit, FreeCAD, LibreCAD
  • +Good for precise engineering geometry

About FlatGeobuf

FlatGeobuf is a modern, high-performance binary format for geospatial vector data, designed for efficient streaming and cloud-native workflows. Based on FlatBuffers, it supports random access via HTTP range requests, making it ideal for serving large datasets directly from object storage like S3 without a tile server. FlatGeobuf is an OGC Community Standard and is supported by GDAL 3.1+, QGIS, Mapbox, and the GeoJSON ecosystem. Its compact binary encoding is significantly faster to parse than GeoJSON for large datasets.

Strengths

  • +Extremely fast read/write — binary encoding
  • +Supports HTTP range requests for cloud-native access
  • +OGC Community Standard
  • +Compact — much smaller than equivalent GeoJSON

Frequently asked questions

Q.Does my DXF need to be georeferenced?

Yes, for meaningful GIS use. DXF files with local coordinates will produce FlatGeobuf with the same local coordinates.

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