To convert KML to MBTiles, you generally need to decide between a quick online tool or more powerful desktop software like QGIS. Here are three ways to do it, tailored for a quick post. Option 1: Quick & Easy (Online Tools)
ogr2orm -f GeoJSON -t_srs EPSG:4326 input.kml output.geojson
--drop-rate: Ensures no features are removed at lower zoom levels. Common Pitfalls to Avoid convert kml to mbtiles