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Convert CSV to GeoJSON

Convert CSV (.csv) to GeoJSON (.geojson, .json) online for free. Fast, accurate geospatial format conversion with CRS reprojection.

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Upload your CSV file and get GeoJSON output in seconds.

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About CSV

Comma-Separated Values (CSV) files store tabular data with coordinate columns (latitude/longitude or WKT geometry). A simple, universal format supported by virtually all data tools.

Extensions: .csv
Software: Excel, Google Sheets, QGIS, Python/Pandas, R
Limitations: No built-in geometry type — requires coordinate columns. No CRS metadata. No support for complex geometries without WKT.

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.

Extensions: .geojson, .json
Software: QGIS, Mapbox, Leaflet, OpenLayers, PostGIS, ArcGIS
Limitations: Limited to WGS 84 (EPSG:4326) coordinate system. No built-in styling. Large files can be slow to parse.

How to Convert CSV to GeoJSON

  • Upload your CSV file (.csv)
  • 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

How do I convert CSV to GeoJSON?

Upload your CSV 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.

Is the CSV to GeoJSON conversion free?

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.

Can I change the coordinate system during conversion?

Yes. ConvertGeoData automatically detects your source CRS and lets you reproject to any EPSG coordinate reference system during conversion.

What software can open GeoJSON files?

GeoJSON files can be opened with QGIS, Mapbox, Leaflet, OpenLayers and more.

Does GeoJSON support different coordinate systems?

GeoJSON requires EPSG:4326. ConvertGeoData automatically reprojects your data to the correct CRS.

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