Adobe Photoshop File Format Solution

    using (PsdImage image = (PsdImage)Image.Load(sourceFileName))
    {
	    // To open the PSD File as PNG just use this code
        image.Save(sourceFileName + ".png",  new PngOptions() {  ColorType = PngColorType.TruecolorWithAlpha });
    }

    public static void viewPSDasPNG(String sourceFileName) {
        try {
            PsdLoadOptions loadOptions = new PsdLoadOptions();
            loadOptions.setReadOnlyMode(true);
            
            PsdImage image = null;
            try {
                image = (PsdImage) Image.load(sourceFileName, loadOptions);
                image.save(sourceFileName + ".png", getTruecolorWithAlphaPngOptions());
            } finally {
                if (image != null) {
                    image.dispose();
                }
            }
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
    
    private static PngOptions getTruecolorWithAlphaPngOptions() {
        PngOptions options = new PngOptions();
        options.setColorType(PngColorType.TruecolorWithAlpha);
        return options;
    }

• Tutorial how to open PSD files without Photoshop
• Examples of opening PSD files on Gists
• Low-code app to open PSD online