For mobile GIS users (like those using Locus Map or MapIT), the ability to export cached areas into an format is a game-changer. This ensures your field tablets have the same high-quality base layers as your office workstations. How to Set Up Portable Basemap Server (v3.1)
The software acts as a local proxy server. It ingests local tile caches or online tile streams and re-broadcasts them locally using universal protocols: Web Map Tile Service (WMTS) ArcGIS Server REST API emulation 3. Zero-Installation Portability
PBS supports many data sources, but the most common are MBTiles files (a portable SQLite database of map tiles).
