Fbl Map Files Download Convert | Firefox |

[FBL + FDA + FPA] 
       ↓
 iGO Map Tool (export to KML)
       ↓
   KML file
       ↓
 QGIS / ogr2ogr
       ↓
 GeoJSON / Shapefile / GPKG

If you downloaded a standard Garmin IMG map and need it in FBL format for QMapShack:

Tool Required: QMapShack (Yes, the same tool does bi-directional conversion) fbl map files download convert

Steps:

A few legacy websites and forums host pre-made FBL files. These are often created by hobbyists. [FBL + FDA + FPA] ↓ iGO Map