Note : First Click on “Image to Base64” Button then we can see Base64 string in textbox, then click on “Base64 to Image” Button to see the Image from Base64 string. Wait for the conversion process to finish and download files either one by one, using thumbnails, or in a ZIP archive. Select the target conversion format, then upload up to 20 documents of supported input formats.
protected void ImageToBase_Click( object sender, EventArgs e).ms.Write(imageBytes, 0, imageBytes.Length).byte imageBytes = Convert.FromBase64String(base64String).base64String = Convert.ToBase64String(imageBytes).using (MemoryStream m = new MemoryStream()).