Convert MapInfo TAB to GeoJSON

Convert MapInfo TAB (.tab, .dat, .map, .id) to GeoJSON (.geojson, .json) online for free. Fast, accurate geospatial format conversion with CRS reprojection.

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Upload your MapInfo TAB file and get GeoJSON output in seconds.

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About MapInfo TAB

MapInfo TAB is a proprietary geospatial vector format used by MapInfo Professional. It stores geometry, attributes, and styling in a set of component files (.tab, .dat, .map, .id).

Extensions: .tab, .dat, .map, .id

Software: MapInfo Pro, QGIS, ArcGIS, Global Mapper, GDAL/OGR

Limitations: Proprietary format. Multiple component files required. Less interoperable than open formats.

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 MapInfo TAB to GeoJSON

Upload your MapInfo TAB file (.tab, .dat, .map, .id)
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 MapInfo TAB to GeoJSON?

Upload your MapInfo TAB 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 MapInfo TAB 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.