Convert GeoJSON to KML online
Convert GeoJSON — the open, web-native JSON format read by Leaflet, Mapbox and virtually every modern GIS tool — into Keyhole Markup Language (KML), which is the Google Earth and Google Maps format. Drop your GeoJSON file below, KML is already selected as the output, and download the result. Everything runs in your browser and the cloud; you never install anything.
Upload your file
Drag and drop it into the converter below — no account needed to start.
Convert in the cloud
MapGO detects the format and produces your download in seconds.
Download & keep it
Files are deleted automatically after 48 hours.
Files are deleted automatically after 48 hours. Your files are never shared.
GeoJSON to KML: frequently asked questions
Is the GeoJSON to KML converter free?
Yes — new accounts get free conversion credits to start, and every paid plan converts unlimited files within its size limit. There is nothing to install; the whole GeoJSON-to-KML conversion runs in the cloud.
Is my data kept private?
Conversion is fully automated and your file is never shared. Files are deleted automatically after 48 hours. Download your KML result and it's yours to keep.
What does the KML output contain?
You get a clean Keyhole Markup Language (KML) file with your geometry and attributes preserved, ready to open in the tools that read KML.
Can I convert KML back to GeoJSON?
Yes — use our KML to GeoJSON converter for the reverse direction. MapGO supports conversions in both directions between these formats.