AV-G01
BBox Finder
Draw circles, rectangles or polygons on a map and get their bounding box in any common format.
● Runs on your device; nothing is uploadedHow to use it
- Draw a circle, rectangle or polygon with the toolbar on the map
- Or paste west,south,east,north and click Show on map
- Pick a shape in the Shapes list, or All shapes for the combined box
- Set Decimals and copy the bounds in the format you need
Limits
- Pasted latitude
- -90° to 90°, south ≤ north
- Pasted longitude
- ±540°
- EPSG:3857 output latitude
- Clamped to ±85.0511°
Features
- Seven formats: CSV, Overpass/WMS, WKT, GeoJSON, Leaflet, Mapbox, EPSG:3857
- Exact bounding box of geodesic circles, including ones covering a pole
- Union box around all drawn shapes
- Box width and height in kilometres
- Warns when the box crosses the ±180° antimeridian
- Edit, drag or remove shapes and the bounds update live
For AI agents: avtools_bbox_finder
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