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 | Si | Si |
| Esri shape files | .shp | Si | Si |
| FAI/IGC Flight Recorder | .igc | Si | Si |
| Garmin FIT activity file | .fit | Si | Si |
| Garmin MapSource gdb | .gdb | Si | Si |
| Garmin MapSource - txt (tab delimited) | .txt | Si | Si |
| Garmin POI database | .txt | Si | Si |
| Garmin Points of Interest | .gpi | Si | Si |
| Garmin Training Center | .tcx | Si | Si |
| Geocaching waypoints | .loc | Si | Si |
| GeoJson | .json | Si | Si |
| Google Earth Kml | .kml | Si | Si |
| Google Earth Kmz | .kmz | Si | Si |
| GPS TrackMaker | .gtm | Si | Si |
| HTML waypoints | .html | Si | |
| Humminbird tracks | .ht | Si | Si |
| Humminbird waypoints and routes | .hwr | Si | Si |
| Lowrance USR | .usr | Si | Si |
| Mobile Garmin XT Tracks | .xt | Si | |
| National Geographic Topo waypoints | .tpg | Si | Si |
| National Geographic Topo 2.x | .tpo | Si | |
| National Geographic Topo 3.x/4.x | .tpo | Si | |
| NMEA 0183 sentences | .log | Si | Si |
| OkMap remote devices log | .log | Si | |
| OpenStreetMap data files | .osm | Si | Si |
| OziExplorer waypoints | .wpt | Si | Si |
| OziExplorer routes | .rte | Si | Si |
| OziExplorer tracks | .plt | Si | Si |
| Universal csv with field structure in first line | .csv | Si | Si |
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 |