AV-G24
Buffer, Union, Intersect
Buffer features, or union, intersect or subtract two polygon datasets.
● Runs on your device; nothing is uploadedHow to use it
- Pick an operation: Buffer A, A ∪ B, A ∩ B or A − B.
- Paste or open data for Input A (and Input B for overlays).
- For Buffer, enter a Distance and choose its units.
- Check the result on the map, then click Download GeoJSON.
Limits
- File size
- 50 MB per input
- Features
- 200,000 per input
- Vertices
- 500,000 across both inputs
- Map preview
- First 5,000 features per input
Features
- Buffers points, lines and polygons in metres, km, feet or miles
- Negative buffer distances shrink polygons
- Each input is dissolved first, so overlays act on whole datasets
- Result feature, vertex and area summary
For AI agents: avtools_geometry_ops
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