jpegtopsd.cs

string outputFileTemplate = Path.Combine(outputFolder, "converted-page-{0}.psd");
SavePageStream getPageStream = page => new FileStream(string.Format(outputFileTemplate, page), FileMode.Create);
using (Converter converter = new Converter("sample.jpeg"))
{
    ImageConvertOptions options = new ImageConvertOptions
    {
        Format = ImageFileType.Psd
    };
     
    converter.Convert(getPageStream, options);
}