a checker for the geojson format. goes beyond a schema, checking semantics and producing character-level warnings.
updated at April 9, 2024, 11:01 a.m.
convert KML, TCX, and GPX to GeoJSON, without the fuss
updated at May 13, 2024, 7:28 a.m.
modern parser & stringifier for WKT, EWKT, and GeoJSON
updated at May 15, 2024, 2 p.m.