SpiRegistry registry = SpiRegistry.getSpiRegistry(); registry.registerServiceProvider(new com.sun.media.imageioimpl.plugins.jpeg.CLibJPEGImageWriterSpi()); registry.registerServiceProvider(new com.sun.media.imageioimpl.plugins.jpeg.CLibJPEGImageReaderSpi()); BufferedImage image = ImageIO.read(new File("input.jpg")); byte[] imageBytes = ImageUtil.getBytes(image, "jpg"); ImageReader reader = ImageIO.getImageReadersByFormatName("jpg").next(); reader.setInput(ImageIO.createImageInputStream(new File("input.jpg"))); BufferedImage image = reader.read(0); JFrame frame = new JFrame(); frame.getContentPane().add(new JLabel(new ImageIcon(image))); frame.pack(); frame.setVisible(true);