Convert DGN to GeoJSON
Convert DGN (.dgn) to GeoJSON (.geojson, .json) online for free. Fast, accurate geospatial format conversion with CRS reprojection.
About DGN
DGN (Design) is a CAD file format used by Bentley MicroStation for 2D and 3D design data. It is common in civil engineering and infrastructure projects.
About GeoJSON
GeoJSON is an open standard format for encoding geographic data structures using JSON. It supports points, lines, polygons, and multi-part geometries along with feature properties.
How to Convert DGN to GeoJSON
- Upload your DGN file (.dgn)
- Review detected layers, features, and coordinate system
- Select GeoJSON as your output format
- Choose a target coordinate reference system (optional)
- Click Convert and download your GeoJSON file
Frequently Asked Questions
Upload your DGN file to ConvertGeoData, review the detected data, select GeoJSON as the output format, and click Convert. Your converted file will be ready to download in seconds.
Yes! ConvertGeoData offers free conversions for all users. No account required for basic conversions. Sign up for a Pro or Business plan for higher limits.
Yes. ConvertGeoData automatically detects your source CRS and lets you reproject to any EPSG coordinate reference system during conversion.
GeoJSON files can be opened with QGIS, Mapbox, Leaflet, OpenLayers and more.
GeoJSON requires EPSG:4326. ConvertGeoData automatically reprojects your data to the correct CRS.