How to Convert Shapefiles to GeoPackage using QGIS
GeoPackage allows you to store GIS data in a single file. It is a file-based format that stores geospatial data, such as vector features and attributes in a single file with the extension ".gpkg".
The GeoPackage open format is a container that allows you to store GIS data in a single file. A single GeoPackage file can contain both vector and raster data in different coordinate reference systems, as well as tables without spatial information.