Free · Divide space around points

Voronoi Map Maker

Split a map into cells so every place belongs to its nearest input point.

Clear map preview
Private in your browser
GeoJSON download

Work with map data

Use the example or add your own GeoJSON. Results stay in this browser tab.

Point collection

{
  "type": "FeatureCollection",
  "features": [
    {
      "type": "Feature",
      "properties": {
        "id": 1,
        "name": "Etobicoke"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          -79.49,
          43.66
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "id": 2,
        "name": "Eglinton West"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          -79.44,
          43.7
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "id": 3,
        "name": "Downtown"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          -79.39,
          43.65
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "id": 4,
        "name": "Leaside"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          -79.35,
          43.71
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "id": 5,
        "name": "Leslieville"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          -79.31,
          43.67
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "id": 6,
        "name": "Scarborough"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          -79.26,
          43.73
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "id": 7,
        "name": "Sunnyside"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          -79.42,
          43.61
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "id": 8,
        "name": "Port Lands"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          -79.33,
          43.62
        ]
      }
    }
  ]
}

Bounding boxWest, south, east, north

Result view

Map previewGeoJSON

Making the map resultTurf is loading in this tab.

StatusLoading

EngineTurf.js

PrivacyLocal

FormatGeoJSON

Three simple steps

How to use it

Paste a GeoJSON point collection.
Set the outer bounding box for the cells.
Check the map, then copy or download the GeoJSON result.

Your map data stays on this device

Turf.js reads and changes the GeoJSON inside this browser tab. Bookify does not upload or save it. Close the tab and the working copy is gone.