Geofabrik publishes downloadable OpenStreetMap extracts for Thailand in PBF, shapefile and GeoPackage formats. Use the provider page for the current file date and size before downloading.
Use the .osm.pbf file for tools that read compact OpenStreetMap data directly. Choose the shapefile or GeoPackage download when a desktop GIS workflow needs familiar layer-based files. The provider page shows the formats currently offered and their download sizes.
This is a Thailand-wide extract of OpenStreetMap, not a live map service. Check the file date before using it for roads, places or other features that may have changed. Geofabrik links to the OpenStreetMap data licence and provider information; review those terms before redistributing an extract or a derived dataset.
File dates and sizes change as new extracts are published, so this page does not freeze them into a claim that will go stale. Confirm the current format, date, size and any technical notes on Geofabrik before starting a large download.