Convert XLSX files to KML, online and free. GISConverter reads your XLSX data locally in the browser and writes a KML file so you can open and view it in Google Earth or Google Maps — nothing is uploaded, and your data never leaves your computer.
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KML, KMZ, SHP (.zip), GeoJSON, GPKG, GML, GPX, DXF, GeoTIFF, and more
XLSX is a spreadsheet-style table, so it isn't always the format the next tool expects. Converting it to KML lets you open and view it in Google Earth or Google Maps without redrawing or re-collecting anything. Because GISConverter runs a full GDAL engine in your browser, the geometry and attributes carry across faithfully, and the file never leaves your device.
Excel (XLSX) (.xlsx): XLSX is the modern Microsoft Excel workbook format. Like CSV it holds tabular data, but with typed cells, multiple sheets and formatting. In a GIS context it is read for its attribute columns, with coordinate columns turning rows into mappable points.
KML (.kml): KML is the XML-based format Google Earth and Google Maps use to describe points, lines, polygons, labels and styling. Because it is plain text it is easy to read, edit and share, and it stores coordinates in WGS84 longitude/latitude by default.
Yes. GISConverter is completely free and runs in your browser — no signup, no watermark, and no daily limit.
No. Your XLSX file is read and converted locally on your device with a GDAL engine compiled to WebAssembly, so it never leaves your computer.
KML is the XML-based format Google Earth and Google Maps use to describe points, lines, polygons, labels and styling.
XLSX is the modern Microsoft Excel workbook format.
Yes. Output defaults to EPSG:4326 (WGS84 longitude/latitude). Enter any EPSG code, such as EPSG:3857, in the coordinate-system box to reproject on the way out.
