GIS Tools
Free in-browser GIS workbench: WGS84/EPSG coordinate conversion, Shapefile/GeoJSON/KML/CSV format convert, file inspector, buffer & spatial ops, GeoTIFF, generators, and workflow — files never leave your device.
Convert between WGS84, Web Mercator, UTM, and 100+ EPSG coordinate systems
Pick coordinates, switch basemaps/CRS, and search locations
Support conversions between GIS formats like Shapefile, GeoJSON, CSV and more
Convert a ZIP or many GIS files to one format at once
Buffer, intersect, union, difference, and dissolve GeoJSON polygons
Browse GIS operations by task and file format
Inspect attributes, geometry types, bbox, and schema
Create grids, Voronoi, TIN, and random points
Inspect, crop, reproject, and extract bands from rasters
Chain GIS operations into a reusable local pipeline
Measure distances and areas on map with great-circle distance calculation
Measure distances and areas on 3D globe with terrain and imagery switching
Merge and split GeoJSON data with batch processing support
Compress GeoJSON and TopoJSON files to reduce file size and optimize performance
Download OSM extracts, boundaries, rivers and cities — directly in your browser.
Run SQL with spatial functions (ST_Area, ST_Distance) on your GIS data in the browser.
Burn vector features into a GeoTIFF raster in your browser.
Compute NDVI and band math on multi-band GeoTIFFs in your browser.
Generate shaded relief from a DEM with the Horn algorithm.
Generate contour lines from a DEM as GeoJSON.
Convert a GeoTIFF raster to GeoJSON polygons.
View 3D Gaussian Splats and 3D Tiles in your browser.
Open NetCDF/HDF5 cubes (NASA EMIT) in your browser — bands, spectra, GeoTIFF/CSV export