How to convert the image into a base64 string using JavaScript?

JavascriptObject Oriented ProgrammingFront End Technology

To convert the image into a base64 string using JavaScript, use the FileReader API. You can try to run the following code to get base64string for an image −

Example

<!DOCTYPE html>
<html>
   <body>
      <script>
         function toDataURL(url, callback) {
            var httpRequest = new XMLHttpRequest();
            httpRequest.onload = function() {
               var fileReader = new FileReader();
                  fileReader.onloadend = function() {
                     callback(fileReader.result);
                  }
                  fileReader.readAsDataURL(httpRequest.response);
            };
            httpRequest.open('GET', url);
            httpRequest.responseType = 'blob';
            httpRequest.send();
         }
         toDataURL('https://www.tutorialspoint.com/videotutorials/images/tutor_connect_home.jpg', function(dataUrl) {
         document.write('Result in string:', dataUrl)
      })
      </script>
   </body>
</html>
raja
Published on 01-Mar-2018 06:04:02
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