All Tools

Browse the complete collection of free GIS, GPS, maps and geospatial tools. Filter by category or type to search instantly.

Find the initial bearing between two GPS coordinates in degrees. Free bearing calculator for navigation, surveying, and antenna…

Measure great-circle distance between any two coordinates with the haversine formula. Free online distance calculator — instant, accurate,…

Calculate the area of any polygon from its corner coordinates. Free area calculator using the equirectangular projection —…