Geo Tools
Privacy-first geospatial tools that run entirely in your browser. Work with coordinates, GeoJSON, GPS tracks, geohashes and geospatial data. Your locations, routes and polygons never leave your device.
🔒 All calculations happen locally in your browser. Your coordinates, routes, polygons and geospatial data never leave your device.
Coordinate ConverterConvert between DD, DMS, UTM, MGRS, Geohash, Plus Code
Coordinate DetectorAuto-detect coordinate format with confidence score
Geohash ConverterConvert lat/lon to geohash and back, all precision levels
Geohash ExplorerExplore bounds, precision, area size, and neighbor hashes
GeoJSON ValidatorValidate GeoJSON syntax, geometry types, ring closure
GeoJSON SimplifierReduce geometry complexity with Douglas-Peucker
Polyline EncoderEncode/decode Google Polyline format
Point in PolygonTest if a point is inside, outside, or on boundary
Bounding Box GeneratorGenerate bounding box from center + radius
Distance CalculatorHaversine distance, bearing, midpoint between two points
Radius Query GeneratorGenerate PostGIS, MongoDB, Elasticsearch, MySQL queries
WKT ↔ GeoJSONConvert between WKT and GeoJSON formats
KML ↔ GeoJSONConvert between KML and GeoJSON formats
GPX AnalyzerDistance, elevation, track and waypoint analytics
Coordinate PrivacyAnonymize coordinates with offset, blur, or precision reduction