Hi Alexander,
Please see:
How I test this conversion with visualizer tool.
GeoPakcage I see point , but in CSV i see id as follow:
image.png (1.0 KB)
In mygeodata I do not see the point of input file.
Test data:
5…... gpkg it’s sqllite database file, so you can use any software...find how to download sqllite database. which link is ok to download...