public static byte[] urlTobyte(String url) throws MalformedURLException {

    URL ur = new URL(url);

    BufferedInputStream in = null;

    ByteArrayOutputStream out = null;

    try {

        in = new BufferedInputStream(ur.openStream());

        out = new ByteArrayOutputStream(1024);

        byte[] temp = new byte[1024];

        int size = 0;

        while ((size = in.read(temp)) != -1) {

            out.write(temp, 0, size);

        }

    } catch (Exception e) {

        e.printStackTrace();

    } finally {

        try {

            in.close();

        } catch (IOException e) {

            e.printStackTrace();

        }

    }

    byte[] content = out.toByteArray();

    return content;

}