Convert KML to KMZ
Convert KML (.kml) to KMZ (.kmz) online for free. Fast, accurate geospatial format conversion with CRS reprojection.
About KML
Keyhole Markup Language (KML) is an XML-based format for displaying geographic data in Earth browsers like Google Earth. It supports styling, icons, and 3D features.
About KMZ
KMZ is a compressed (zipped) version of KML files. It packages the KML document along with any referenced images, icons, or overlays into a single archive.
How to Convert KML to KMZ
- Upload your KML file (.kml)
- Review detected layers, features, and coordinate system
- Select KMZ as your output format
- Choose a target coordinate reference system (optional)
- Click Convert and download your KMZ file
Frequently Asked Questions
Upload your KML file to ConvertGeoData, review the detected data, select KMZ as the output format, and click Convert. Your converted file will be ready to download in seconds.
Yes! ConvertGeoData offers free conversions for all users. No account required for basic conversions. Sign up for a Pro or Business plan for higher limits.
Yes. ConvertGeoData automatically detects your source CRS and lets you reproject to any EPSG coordinate reference system during conversion.
KMZ files can be opened with Google Earth, Google Maps, QGIS, ArcGIS and more.
KMZ requires EPSG:4326. ConvertGeoData automatically reprojects your data to the correct CRS.