: For advanced users, command-line tools can clip and convert existing tile data into specific MBTiles extracts. MyGeodata Converter Draft Post: Moving Your Google Earth Data Offline
Since MBTiles is a snapshot, the style is permanent.
KML files often contain bloated descriptions, HTML formatting, or metadata within their tags. Clean up your data attributes prior to conversion to reduce the footprint of vector MBTiles.
Highly readable, easily shared, and natively supported by Google Earth and Google Maps.
: KML files use the WGS84 (EPSG:4326) coordinate system. MBTiles typically use Web Mercator (EPSG:3857) for compatibility with most web maps.
: When converting ground overlays (imagery), the process can be lengthy if you attempt to convert at every available scale. KML to MBTiles Converter Online | MyGeodata Cloud
tippecanoe -o output.mbtiles -z14 -Z10 output.geojson
You set Zoom 0 to Zoom 18. The math is exponential. A global map at zoom 18 requires over 68 billion tiles. Fix: Calculate your area. For a city map, Zoom 14 (max) is fine. For a single building site, Zoom 20 is fine. Use the QGIS Zoom to Layer button to see your extent, then guess the max zoom.
Drag and drop your .kml (or .kmz ) file directly into the QGIS canvas or the panel. Select the layers you wish to add if prompted. Step 2: Style and Prepare Your Layer