OsmAndMapCreator: Reducing file size with options?

Hello Lads, I’m new here :slight_smile:

I intend to use osmand for my racing bike rides (I’ll use routes that I’ve prefabricated). My smartphone is pretty old-school though and I was therefore looking out for a way to reduce the size of the maps when I noticed the options in OsmAndMapCreator on the top and thought that I may not need them.

What exactly is the purpose of the “map index”, the “routing index” and the “transport index” and do the files become significantly smaller if I unselect these options? And/or: What index do I need for my purpose?


I recommend to ask this in a better place:

namely the Osmand googlegroup mailinglist at

beyond the switches in Osmand-Mapcreator, you can also do a pre-filtering of the raw OSM data with