Convert GeoJSON to KML

Turn GeoJSON data into KML — free, instant, and entirely in your browser, with optional reprojection to any of 200+ coordinate systems.

No upload. No account. Your data stays on your machine.

Drop your files here or click to browse.

Shapefile (all parts or .zip), GeoJSON, KML/KMZ, GPKG, GPX, DXF, CSV, TAB and more — files never leave your browser.

Output format

Output coordinate system

EPSG:4326 — KML is always WGS 84

Source CRS override (for CAD/CSV without one)

About GeoJSON (GeoJSON)

The web-native vector format — plain JSON, readable by every mapping library and most modern GIS tools. RFC 7946 expects WGS84 coordinates.

Worth knowing: Text-based and verbose for large datasets; RFC 7946 deprecates non-WGS84 CRS metadata.

Keyhole Markup Language — Google Earth's format. Always WGS84 geographic coordinates; supports styling, descriptions and folders.

Worth knowing: Attributes beyond name/description need ExtendedData; styling is lossy when round-tripping through GIS formats.

Drop your GeoJSON file above.
We read it locally with GDAL compiled to WebAssembly — nothing is uploaded.
Optionally pick an output coordinate system; official datum grids are applied automatically.
Download your KML result, with a transformation report showing exactly what was done.