AV-G15
H3 Explorer
Find the H3 hexagon for a point and inspect any cell: boundary, centre, area, parent, children and neighbours.
● Runs on your device; nothing is uploadedHow to use it
- Enter latitude, longitude and Resolution under Point → cell
- Click Inspect this cell, or paste an H3 cell index
- Set Parent at resolution and Children at resolution
- Copy the boundary GeoJSON, or click a neighbour to inspect it
Limits
- Resolution
- 0–15
- Cell index
- 15–16 hexadecimal characters
- Latitude
- -90° to 90°
- Longitude
- -180° to 180°
Features
- Uses the h3-js library
- Cell centre, area, base cell and pentagon detection
- Boundary as a GeoJSON Polygon Feature
- Cells worldwide and average edge length per resolution
- Parent and child counts at any resolution
- Immediate neighbouring cells
For AI agents: avtools_h3_explorer
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