Supported formats
Supported image formats
| Formats | Extensions | Links |
|---|---|---|
| Most common formats | .jpg, .tif, .png, .gif, .bmp | |
| Enhanced Compression Wavelet | .ecw | Intergraph Erdas |
| Other formats | see link | FreeImage features |
Supported map formats
| Formats | Extensions | Read | Write |
|---|---|---|---|
| OkMap | .okm | Yes | Yes |
| ECW (Earth Resource Mapping) | .ecw | Yes | |
| GeoTiff | .tif | Yes | Yes |
| World file | .tfw,.jgw,.pgw,.gfw,.bpw | Yes | Yes |
| Google Earth / Garmin Custom Maps / Encrypted KMZ | .kmz, .kml, .ekmz | Yes | Yes (1) |
| Encrypted Google Earth | .ekmz | Yes | Yes |
| JNX Birdseye | .jnx | Yes | Yes (2) |
| OziExplorer (included OZF2, OZFX3 images) | .map | Yes | Yes |
| CompeGPS | .imp | Yes | Yes |
| CompeGPS TwoNav | .rmap | Yes | Yes (2) |
| GPS TrackMaker | .gtm | Yes | Yes |
| RMap | .sqlitedb | Yes | Yes (2)(3) |
| MBTiles | .mbtiles | Yes | Yes (2)(3) |
| OruxMaps | .xml | Yes | Yes (2) |
| GpsTuner | .gmi | Yes | Yes |
| JPEG2000 | .jp2 | Yes (3) | Yes (3) |
| Geospatial PDF | Yes (3) | Yes (3) | |
| Other formats | .* | Yes (3) | Yes (3) |
1) Output with or less extensions 2.2. Function optimized for Garmin Custom Maps and OkMap Mobile.
2) Only one layer; small/medium maps.
3) Via GDAL
Supported vector formats
| Formats | Extensions | Import | Export |
|---|---|---|---|
| OkMap | .okm | Yes | Yes |
| ESRI Shape | .shp, .dbf | Yes | Yes |
| OpenStreetMap | .osm | Yes |
Supported data formats (waypoints, tracks, routes) (1)
| Formats | Extensions | Read | Write |
|---|---|---|---|
| GPS eXchange | .gpx | Yes | Yes |
| CompeGPS data files | .wpt | Yes | Yes |
| EasyGPS waypoints binary format | .loc | Yes | Yes |
| Franson GPSGate Simulation | .gpssim | Yes | |
| Flexible and Interop. data Transfer activity | .fit | Yes | Yes |
| Fugawi | .txt | Yes | Yes |
| G7ToWin data files | .g7t | Yes | |
| Garmin Logbook XML | .xml | Yes | Yes |
| Garmin MapSource gdb | .gdb | Yes | Yes |
| Garmin MapSource mps | .mps | Yes | Yes |
| Garmin MapSource - txt (tab delimited) | .txt | Yes | Yes |
| Garmin POI database | .txt | Yes | Yes |
| Garmin Points of Interest | .gpi | Yes | Yes |
| Geocaching waypoints | .loc | Yes | Yes |
| GeoJson | .json | Yes | Yes |
| Google Directions XML | .xml | Yes | |
| Google Earth Kml | .kml | Yes | Yes |
| Google Earth Kmz | .kmz | Yes | Yes |
| Google Navigator Tracklines | .trl | Yes | Yes |
| GPS TrackMaker | .gtm | Yes | |
| Kompass (DAV) Track | .tk | Yes | Yes |
| Kompass (DAV) Waypoints | .wp | Yes | Yes |
| NMEA 0183 sentences | .log | Yes | Yes |
| OkMap remote devices log | .log | Yes | |
| OpenStreetMap data files | .osm | Yes | Yes |
| OziExplorer waypoints | .wpt | Yes | Yes |
| OziExplorer routes | .rte | Yes | Yes |
| OziExplorer tracks | .plt | Yes | Yes |
| TomTom Itineraries | .itn | Yes | Yes |
| TomTom Places Itineraries | .itn | Yes | Yes |
| TomTom POI file (.asc) | .asc | Yes | Yes |
| TomTom POI file (.ov2) | .ov2 | Yes | Yes |
| Universal CSV with field structure in first line | .csv | Yes | Yes |
1) Via GpsBabel (Except GPS eXchange format)
Supported elevation data formats
| Formats | Extensions |
|---|---|
| HGT SRTM-1 | .hgt |
| HGT SRTM-3 | .hgt |
Supported GPS devices with proprietary protocol (1)
| GPS device | Read | Write |
|---|---|---|
| Brauniger IQ series | Yes | |
| Garmin | Yes | Yes |
| GlobalSat DG-100/BT-335 | Yes | |
| GlobalSat DG-200 | Yes | |
| GlobalSat GH625XT | Yes | |
| Holux M-241 | Yes | |
| Magellan | Yes | Yes |
| MiniHomer | Yes | |
| MTK Logger (iBlue 747/Qstarz BT-1000/...) | Yes | |
| NaviGPS GT-11/BGT-11 | Yes | Yes |
| SysTraq Venus | Yes | |
| Wintec WBT-100/200 | Yes | |
| XAiOX iTrackU | Yes |
1) Via GpsBabel
Supported languages
 Chinese |
 French |
 German |
 English |
 Italian |
 Russian |
 Slovenian |
 Spanish |