Developer tool

GeoJSON to KML Converter

Convert GeoJSON geometry to KML for Google Earth and Google Maps.

GeoJSON KML
PrivConvert
Privacy-first conversion
No files stored
In-memory processing
Deleted instantly
No sign-up needed

Complete the security check to begin

How to Convert GeoJSON to KML Online

Converting GeoJSON files to KML format is simple with PrivConvert. Our free online converter handles the entire process in your browser with no software installation required. Your files are processed securely in memory and never stored on our servers.

1
Upload your GeoJSON file

Drag and drop your file into the upload area, click to browse your device, or paste a URL to a file hosted online. You can upload files up to 250 MB and batch convert up to 20 files at once.

2
Automatic conversion

Once uploaded, the conversion from GeoJSON to KML starts automatically. The process runs entirely in an isolated environment - your data never leaves the secure pipeline.

3
Download your KML file

Your converted file is ready instantly. Click the download button to save it to your device. The file is deleted from memory immediately after download.

Why Choose PrivConvert?

Unlike other online converters that upload your files to remote servers, store them for days, and may use them for AI training or sell your data, PrivConvert was built with privacy as the foundation. Here's what makes us different:

Zero data retention

Files are processed in volatile memory (RAM) and immediately purged. Nothing is ever written to disk or backed up.

Encrypted transfers

All uploads and downloads are encrypted with TLS 1.3. Your files cannot be intercepted in transit.

No account required

Use any tool instantly without signing up, providing an email, or creating a profile. No tracking cookies, no user profiling.

Works on any device

Compatible with Windows, macOS, Linux, iOS, and Android. No plugins or desktop software needed - just a modern web browser.

GeoJSON vs KML - Format Comparison

FeatureGeoJSONKML
File extension.geojson.kml
Supported by PrivConvertYes (as input)Yes (as output)
Privacy-safe conversionIn-memory, zero storage
Max file size250 MB per file
Batch supportUp to 20 files simultaneously

Trusted by Thousands of Users

PrivConvert processes thousands of file conversions every day. Our commitment to privacy and security has made us the go-to choice for professionals, developers, and privacy-conscious users worldwide.

250 MB Max file size
200+ Conversion tools
0 sec File retention
100% Free to use

Frequently Asked Questions

How do I convert GeoJSON to KML?
Upload your .geojson file and complete the quick security check. Each feature becomes a KML Placemark and the KML downloads in seconds, ready to open in Google Earth.
Which geometry types are supported?
Points, LineStrings and Polygons plus their Multi* variants are converted, and a feature's name/description properties become the Placemark name and description.
Will it open in Google Earth?
Yes. The output is standard KML 2.2 with Placemarks and, where needed, MultiGeometry, so Google Earth and Google Maps import it directly.
Is my data safe and private?
Yes. The file is parsed entirely in server memory with a depth-limited JSON parser, never written to disk, never stored or logged, and deleted the moment your download is ready.