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Monday, October 1, 2012

Convert Image to Base64 String and Base64 String to Image

Learn how to convert Image to Base64 String and Base64 String to Image. (Online Converter Image to Base64)

Online Converter Image to Base64
This article will help you to learn how we can convert an image into a base64 string and base64 string back to image.

Image to Base64 String

public string ImageToBase64(Image image, 
  System.Drawing.Imaging.ImageFormat format)
{
  using (MemoryStream ms = new MemoryStream())
  {
    // Convert Image to byte[]
    image.Save(ms, format);
    byte[] imageBytes = ms.ToArray();

    // Convert byte[] to Base64 String
    string base64String = Convert.ToBase64String(imageBytes);
    return base64String;
  }
}

Base64 String to Image

public Image Base64ToImage(string base64String)
{
  // Convert Base64 String to byte[]
  byte[] imageBytes = Convert.FromBase64String(base64String);
  MemoryStream ms = new MemoryStream(imageBytes, 0, 
    imageBytes.Length);

  // Convert byte[] to Image
  ms.Write(imageBytes, 0, imageBytes.Length);
  Image image = Image.FromStream(ms, true);
  return image;
}

C# | Utility

Information Courtesy : http://www.dailycoding.com/Posts/convert_image_to_base64_string_and_base64_string_to_image.aspx