Local coordinate and file tool

CSV Coordinates to GeoJSON

Turn coordinate columns in pasted or uploaded CSV into GeoJSON points.

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What CSV Coordinates to GeoJSON does

Convert CSV latitude and longitude rows into a GeoJSON FeatureCollection.

How to use CSV Coordinates to GeoJSON

  1. Paste or upload CSV.
  2. Select coordinate and optional identity columns.
  3. Generate, review, and download GeoJSON.

Method and calculation

CSV is parsed locally with quoted-field support. Selected latitude and longitude values are range-checked row by row before Point features are generated.

Privacy and external map tiles

All coordinates and files are processed locally in your browser and are not uploaded.

Limitations

Input must contain numeric geographic coordinates. Invalid rows are reported and can only be skipped with the visible option.

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Frequently asked questions

Are extra columns preserved?

Yes. Selected non-coordinate columns become safe feature properties.

How many rows are supported?

The initial soft limit is 20,000 rows.