Since it’s a single database file, it is incredibly easy to bundle within a mobile app for offline navigation.

Loading a large KML file (thousands of points or complex polygons) requires the client’s browser or device to parse the entire file at once, leading to lag and crashes.

Use an online converter or QGIS to get your data into .json format. Run Tippecanoe:

MBTiles can handle complex styling and massive datasets (millions of features) without breaking a sweat. Top Tools for the Conversion

There isn't a single "Convert" button that works for every scenario, but these three methods are the industry standards. 1. Tippecanoe (The Professional’s Choice)

Some simple KML-to-MBTiles converters might strip out the "ExtendedData" or descriptions in your KML. Always verify your data table after conversion. Conclusion