Online WKT Viewer

Visualize and validate Well-Known Text (WKT) geometries directly in your browser. Inspect coordinates, convert to GeoJSON, reproject EPSG spatial reference systems, and export to PostGIS WKB/EWKB.

Supported WKT Geometry Types

Spatial-Sandbox parses all standard OpenGIS Simple Features Specification (SFS) WKT geometry types:

POINT MULTIPOINT LINESTRING MULTILINESTRING POLYGON MULTIPOLYGON GEOMETRYCOLLECTION

WKT Syntax Examples

Click Load in Map to test any of these WKT geometries immediately:

POINT(2.2945 48.8584)
LINESTRING(-122.4786 37.8100, -122.4783 37.8199, -122.4780 37.8300)
POLYGON((-73.9731 40.7644, -73.9579 40.7972, -73.9818 40.8005, -73.9819 40.7681, -73.9731 40.7644))
MULTIPOLYGON(((-0.178 51.503, -0.153 51.503, -0.153 51.512, -0.178 51.512, -0.178 51.503)), ((-0.145 51.500, -0.138 51.500, -0.138 51.506, -0.145 51.506, -0.145 51.500)))

GeoJSON Viewer →

Switch to GeoJSON mode for parsing and styling GeoJSON Features and FeatureCollections.

WKT Validator →

Troubleshoot invalid syntax, ring closure errors, and nested coordinate arrays.