The color interleaving (bitplane order) is inverted. Solution: In XnConvert, go to Settings → Read → Try "Swap Bytes" or "Bitplane Order (Amiga)". If that fails, use GIMP with the IFF plugin which auto-detects the HAM mode.
Since there is no universal "
If your BMT file originates from a thermal camera (often misnamed from .IMG or .BMT), use . bmt file converter
| Target Format | Best Tool | Notes | |---------------|-----------|-------| | PNG (lossless) | XnView MP, ImageMagick | Preserves transparency if supported | | JPG (lossy) | XnView MP | Smaller file, no alpha | | TGA | Game-specific tools | For texture workflows | | BMP | IrfanView | Simple but large | | DICOM | MicroDicom | For medical BMTs | The color interleaving (bitplane order) is inverted