What is GeoJSON?
GeoJSON is an open, JSON-based format for encoding vector geographic features and their attributes, standardized as RFC 7946 by the IETF.
A GeoJSON document is plain UTF-8 JSON built from Feature and FeatureCollection objects, each pairing a geometry (Point, LineString, Polygon, and their Multi* variants, or a GeometryCollection) with a free-form "properties" object. Because it is human-readable text, it works well with version control, text diffing, and any JSON tooling, and it is the de facto interchange format for web maps and JavaScript libraries such as Leaflet, Mapbox GL, and OpenLayers. Unlike Shapefile it imposes no field-name length limit, mixes geometry types freely within one collection, and stores everything in a single file.
What is DXF?
DXF (Drawing Exchange Format) is an open CAD data format created by Autodesk for exchanging drawings between AutoCAD and other CAD applications.
DXF stores CAD entities on named layers and is a common interchange format for survey drawings, site plans, and engineering geometry. GeoConvert safely imports ASCII DXF points, lines, polylines, arcs, circles, SOLID/3DFACE entities, and straight-edged HATCH boundaries; arcs, circles, and bulges are linearized with a warning. TEXT/MTEXT, INSERT or block-contained geometry, RAY/XLINE, ELLIPSE/SPLINE, and unknown or incomplete entities are rejected instead of being silently dropped. DXF has no GIS attribute table, so geometry and layer names come across but arbitrary feature attributes do not; AutoCAD Binary DXF is not supported by the browser engine.
Why convert GeoJSON to DXF?
DXF is the interchange format CAD software reads, so this is how GIS geometry — parcels, survey points, alignments — gets handed to engineering and drafting teams working in AutoCAD.
Coordinate systems
Per RFC 7946, coordinates are longitude/latitude in decimal degrees on the WGS84 datum (EPSG:4326), and the specification removed the older "crs" member, so a compliant GeoJSON file is always assumed to be WGS84. Coordinate order is [longitude, latitude], optionally followed by elevation.
DXF is a CAD format and carries no coordinate reference system — coordinates are plain model units. When converting to or from GIS formats you often need to know (or assign) the drawing’s real-world CRS; GeoConvert assumes WGS84 (EPSG:4326) only if you ask to reproject.
What to watch out for
- DXF has no attribute table, so GeoJSON properties are dropped — only geometry and layers are written.
- DXF has no CRS; consider reprojecting to a projected system (meters/feet) first so the drawing has sensible real-world units instead of tiny degree values.
- Polygon features are written as real DXF HATCH entities with boundary loops; inner rings remain holes. Multi*, GeometryCollection, and empty or Null geometry are rejected instead of being dropped or rewritten.
How to convert GeoJSON to DXF
- Drag your GeoJSON file (.geojson, .json) into the converter above, or click to browse.
- Confirm the source is GeoJSON and choose DXF as the output format.
- Optionally pick a target coordinate system (EPSG) to reproject.
- Click Convert and download your DXF file. Everything runs in your browser.
Frequently asked questions
- Where did my properties go?
- DXF cannot store arbitrary attributes, so feature properties are not exported — only geometry and layer names.
- My drawing units look tiny — why?
- Lon/lat degrees make a minuscule drawing. Reproject to a projected CRS (e.g. UTM or State Plane) before exporting to DXF.