Convert XLSX to KML

Convert XLSX (.xlsx) to KML (.kml) online for free. Fast, accurate geospatial format conversion with CRS reprojection.

Ready to convert?

Upload your XLSX file and get KML output in seconds.

About XLSX

XLSX is the Microsoft Excel Open XML spreadsheet format. When it contains coordinate columns, it can be used as a source for geographic point data.

Extensions: .xlsx
Software: Microsoft Excel, Google Sheets, LibreOffice Calc, QGIS, Python/openpyxl
Limitations: No built-in geometry type — requires coordinate columns. No CRS metadata. Limited to tabular point data.

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.

Extensions: .kml
Software: Google Earth, Google Maps, QGIS, ArcGIS, Cesium
Limitations: Requires WGS 84 (EPSG:4326). Can become very large for complex datasets. Limited attribute handling.

How to Convert XLSX to KML

  • Upload your XLSX file (.xlsx)
  • Review detected layers, features, and coordinate system
  • Select KML as your output format
  • Choose a target coordinate reference system (optional)
  • Click Convert and download your KML file

Frequently Asked Questions

How do I convert XLSX to KML?

Upload your XLSX file to ConvertGeoData, review the detected data, select KML as the output format, and click Convert. Your converted file will be ready to download in seconds.

Is the XLSX to KML conversion free?

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.

Can I change the coordinate system during conversion?

Yes. ConvertGeoData automatically detects your source CRS and lets you reproject to any EPSG coordinate reference system during conversion.

What software can open KML files?

KML files can be opened with Google Earth, Google Maps, QGIS, ArcGIS and more.

Does KML support different coordinate systems?

KML requires EPSG:4326. ConvertGeoData automatically reprojects your data to the correct CRS.

Convert XLSX to KML Now

No installation required. Works in your browser.

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