Trusted by surveyors, engineers & GIS professionals worldwide
Everything you need for GIS work
Save hours of manual work with specialized geospatial tools — built for accuracy and speed.
Convert between UTM, WGS84, Lambert, Web Mercator and thousands of CRS systems.
Open Tool Area CalculatorCalculate polygon areas with professional, survey-grade accuracy.
Open Tool Distance CalculatorMeasure distances and paths instantly with point-to-point precision.
Open Tool Buffer GeneratorCreate buffers around points, lines and polygons in one click.
Open Tool Elevation ProfileGenerate elevation charts from DEM data along any line.
Open Tool Contour GeneratorGenerate contour lines automatically from elevation models.
Open Tool Merge ShapesCombine multiple geometries and files into a single dataset.
Open Tool Split GeometrySplit lines and polygons at intersections, easily and precisely.
Open Tool Point GeneratorGenerate evenly spaced points along lines or polygon boundaries.
Open Tool Reproject CoordinatesTransform whole datasets between coordinate reference systems.
Open Tool
Built for GIS professionals
Automate repetitive GIS tasks and cut hours of manual work.
Reduce manual errors with consistent, survey-grade results.
A 100% online platform — nothing to download or install.
Your data stays protected and is never shared.
Loved by mapping teams
Professionals across surveying, planning and engineering rely on TopoMapping every day.
“The coordinate converter alone saves me half a day every week. Accurate and dead simple.”
“Finally a browser tool that handles big datasets without choking. Our whole team switched.”
“Elevation profiles and contours that used to need desktop GIS now take me two minutes.”
“Clean interface, export to every format I need. It's become part of our daily planning workflow.”