GeoDataViewer
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Free Online GeoJSON Draw Tool

Draw 12 geometry types on an interactive map: basic shapes (Point, Polyline, Polygon, Freehand), arrow symbols (StraightArrow, DiagonalArrow, DoveTailArrow, DoubleArrow), and area symbols (ClosedCurve, Sector, GatheringPlace, PlotLineString). Copy or download GeoJSON output.

About GeoJSON Drawing

This tool uses the MapLibre GL PlotSymbol library for drawing military-style symbols and standard GeoJSON geometries. All 12 geometry types are available in the toolbar above.

For detailed information about each geometry type, click on the type button at the top of this page or select a drawing mode and click "Start Drawing".

Every drawn shape can be exported as standard GeoJSON (RFC 7946 compliant) for use in any GIS application, mapping library, or data analysis pipeline.