What Is an HGT File?
A file with the HGTfile extensionis a Shuttle Radar Topography Mission (SRTM) data file.
Used here, “HGT” is just an abbreviation for “height.”
An HGT File in VTBuilder.
The file is normally named with the longitude and latitude that the image pertains to, within one degree.
There’s alsothis great overview of SRTMand the data produced.
How to Open an HGT File
HGT files can be opened withVTBuilder.
Import the file into the program through theLayer>Import Data>Elevationmenu.
ArcGIS ProandFME Desktopwork, too.
Another program that’s compatible with HGT files on Windows and Linux, isDG Terrain Viewer.
it’s possible for you to also import it intoBlenderwith theblender-osm addon.
If you’d rather not download VTBuilder to save the HGT file to TIFF, theMyGeodata Converterwebsite also works.
The other programs above can probably convert this file, too.
This is normally done through anExportoption or aSave Asmenu.
Still Can’t Open It?
If not, maybe you’re misreading the file extension, confusing anSRTfile for an HGT file.
HTG is another example that appears related, but is actually used byHackTheGamefor mission pack files.
