You can quickly transform from TGA(Targa Graphic) into various formats using Aspose.Imaging for Python via .NET....TGA to JPG TGA to JPEG TGA to JP2 TGA to J2K TGA to JPEG2000 TGA...
Using Aspose.Imaging for .NET you can easily convert from OTG(OpenDocument Standard) to other formats...OTG to JPG OTG to JPEG OTG to JP2 OTG to J2K OTG to JPEG2000 OTG...