Fast, free geospatial tools — no login required.

Browser-based GIS utilities for professionals. All computation runs locally — your data never leaves your machine.

Tools

More tools coming soon. Each one runs entirely in your browser.

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Coordinate Converter

Convert between 8,000+ coordinate reference systems. Supports lat/lon, UTM, State Plane, and custom EPSG codes.

Coming Soon
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BBox Extractor

Draw a rectangle on a map and get the bounding box in any format — WKT, GeoJSON, coordinate pairs, or tile indices.

Coming Soon
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GeoJSON Validator

Paste or upload GeoJSON, validate structure and geometry, and preview on an interactive map.

Planned
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WKT ↔ GeoJSON

Convert between Well-Known Text and GeoJSON formats instantly. Supports all geometry types.

Planned
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Distance & Area Calculator

Measure geodesic distances and polygon areas on the WGS84 ellipsoid with sub-meter precision.

Planned