GeoJSON Measure
LocalCompute area, length, vertex count and bounding box of GeoJSON, locally in your browser.
What is it? GeoJSON Measure computes area, length, vertex count and bounding box for GeoJSON features.
TL;DR: Measure area, length, vertices and extents.
How to use
- Open a GeoJSON layer.
- Read the measurements.
- Use them for QA or reporting.
FAQ
How is area computed?
Geodesic area on the WGS84 ellipsoid is reported.
Is it local?
Yes.
Limitations
- Length/area assume geographic coordinates.
- No per-feature table export.
Privacy
Privacy first: this tool runs entirely in your browser. Your input and files never leave your device.