Users can import their own local tiles.
QGIS has native, highly advanced capabilities for handling basemaps and offline caching without needing external server software:
The search term specifically mentions "V3-1", which refers to version 3.1 of the software, last updated on March 8, 2014. This version introduced significant improvements over its predecessors, making it a solid choice for offline mapping needs, even years after its release.
Downloading legacy software from third‑party mirrors always carries some risk. The Google Drive link referenced above has been shared by the developer’s GitHub repository, but it is still a user‑shared file . Always scan the ZIP with trusted antivirus software before extracting and running. Portable Basemap Server V3-1-zip %28%28TOP%29%29 download
A Portable Basemap Server (PBS) is a lightweight utility used by GIS professionals to cache and stream map tiles (like Google Maps, OpenStreetMap, or Bing Maps) as standard OGC services (WMTS/WMS) on a local machine. This allows field researchers and GIS analysts to access detailed basemaps without an active internet connection.
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Unzip the contents to a dedicated folder (e.g., C:\PBS ). Users can import their own local tiles
That’s it! No registry entries, no system files modified—just a portable executable that runs from wherever you place it.
Optimized to run efficiently on laptops and field tablets.
Alternatively, load a pre-existing local database or Geopackage that you previously downloaded. Step 3: Start the Local Service Choose a port number (the default is usually 8080 or 9000 ). A Portable Basemap Server (PBS) is a lightweight
The V3.1 release remains a popular choice due to its stability and specific feature set:
The V3.1 update, particularly the zip release, is widely sought after because it offers:
It allows you to drag-and-drop tiles (MBTiles) or configure online/local sources, turning them into a server.
[Online Tile Sources] ---> [Portable Basemap Server] ---> [Local WMTS URL Engine] ---> [ArcMap / ArcGIS Pro] (Google, Bing, OSM, etc.) (Acts as a Local Proxy) (OGC Compliant Endpoint) (Displays Seamless Layer)
Always scan any downloaded ZIP file with up‑to‑date antivirus software before running it. Because PBS is a legacy application, some mirrors may contain outdated or compromised versions.