Pre-cache a high-resolution satellite map of a study area and serve it to a tablet in the field without using data.

Since PBS is an open-source/freeware utility often hosted on platforms like GitHub or specialized GIS forums, you should ensure you are downloading the .zip file from a reputable source. Download the PortableBasemapServer_v3.1.zip file.

It can serve tiles via WMTS, ArcGIS Server REST API, and even KML.

As the name suggests, it runs directly from a folder. No registry changes or complex installations are required.