Java tutorial
import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import javax.imageio.ImageIO; public class Main { public static void main(String args[]) throws IOException { File file = new File("your file path.jpg"); BufferedImage image = ImageIO.read(file); for (int i = 0; i < image.getHeight(); i++) { for (int j = 0; j < image.getWidth(); j++) { int color = image.getRGB(j, i); // convert the color to a readable format String clr = Integer.toHexString(color).substring(2); System.out.println(clr); } } } }