Coordinate Converter
DMS ↔ decimal degrees (lat/lon).
5 tools
Geo & Coordinates tools
Geo tools: coordinate conversion, distance calculators, country code lookup.
Search by name, task or keyword.
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Distance Between Points
Haversine distance (km/mi) and bearing between two lat/lon points.
Plane Rectangular Converter
Japan 19-plane rectangular coordinates ↔ lat/lon (approx).
GPX Converter
Convert GPX track points ↔ GeoJSON LineString.
Postal Code Lookup
Japan zip → address via zipcloud.