GeoJSON to CSV Converter

Paste a FeatureCollection, Feature, or geometry and get a spreadsheet-ready CSV. Keep geometry as WKT, longitude/latitude columns, both, or properties only.

About this tool

GeoJSON is great for maps, but a spreadsheet or BI tool often wants one row per feature. This converter flattens a GeoJSON FeatureCollection, a single Feature, a bare geometry, or an array of those into CSV:

every properties key becomes a column, using the union of keys across all features in first-seen order;
missing property values are blank;
geometry can be emitted as a 2-D WKT geometry column, longitude/latitude columns from the first coordinate, both, or omitted;
nested properties can stay as compact JSON text or expand to dot-notated columns such as address.city and tags.0.

All conversion runs locally in your browser.

Worked example

Input:

{"type":"FeatureCollection","features":[
  {"type":"Feature","properties":{"name":"Alpha","pop":1200},"geometry":{"type":"Point","coordinates":[-105,40]}},
  {"type":"Feature","properties":{"name":"Beta","pop":800},"geometry":{"type":"Point","coordinates":[-106.5,41.25]}}
]}

With the default geometry = wkt, the output is:

name,pop,geometry
Alpha,1200,POINT (-105 40)
Beta,800,POINT (-106.5 41.25)

Set geometry = lonlat if your spreadsheet wants coordinate columns instead.

FAQ

What GeoJSON inputs are accepted?

You can paste a FeatureCollection, a single Feature, a bare geometry such as a Point or Polygon, or a top-level array of features/geometries. A bare geometry has no properties, so the CSV contains only geometry columns unless you choose geometry = none (which would leave nothing to output).

How are geometry coordinates represented?

geometry = wkt writes one geometry column as Well-Known Text, which works for points, lines, polygons, multi-geometries, and geometry collections. geometry = lonlat writes the first coordinate as longitude and latitude; for lines and polygons this is the first vertex. both emits both representations.

What happens to nested properties?

By default, nested objects and arrays stay in a single cell as compact JSON so no information is lost. Choose nested = flatten to expand them into dot-notated leaf columns, for example address.city or tags.0.

Does this reproject coordinates?

No. GeoJSON coordinates are used exactly as provided, normally [longitude, latitude] in WGS84. Reprojection, simplification, topology repair, and format exports such as Shapefile/GeoPackage are GIS processing tasks outside this small CSV flattener.

Developer & Automation Access

Run it from the terminal

Same engine as this page, headless — via the gizza CLI:

gizza tool geojson-to-csv '{"type":"FeatureCollection","features":[{"type":"Feature","properties":{"name":"Alpha","pop":1200},"geometry":{"type":"Point","coordinates":[-105,40]}}]}'

New to the CLI? Get gizza →

Open it by URL

Pre-fill and auto-run this tool with query parameters — the names match the API/CLI:

https://gizza.ai/tools/geojson-to-csv/?geojson=%7B%22type%22%3A%22FeatureCollection%22%2C%22features%22%3A%5B%7B%22type%22%3A%22Feature%22%2C%22properties%22%3A%7B%22name%22%3A%22Alpha%22%2C%22pop%22%3A1200%7D%2C%22geometry%22%3A%7B%22type%22%3A%22Point%22%2C%22coordinates%22%3A%5B-105%2C40%5D%7D%7D%5D%7D&geometry=wkt&nested=json&delimiter=comma&header=true

Machine-readable descriptor: tool.json — title + parameters JSON Schema for agents.