cloudinary.js

 //exaple create new 
 var url =  'https://img.playbuzz.com/image/upload/v1482669775/iiilhdzd5gpore2a5buz.jpg';   
   var optimizeTransformation = {
        quality: 'auto',
        fetch_format: 'auto',
        flags: 'lossy'
    };
 var result = your_new_cloudinary_function(url, optimizeTransformation);
 // result should be: 'https://img.playbuzz.com/image/upload/f_auto,fl_lossy,q_auto/v1482669775/iiilhdzd5gpore2a5buz.jpg'


  // adding to existing
   var url2 =  'https://img.playbuzz.com/image/upload/f_auto,fl_lossy,q_auto/v1502151920/gh3bbrepicumpdsj9i0o.jpg';   
   var optimizeTransformation2 = {
      width: 640,
      crop: 'limit'
    };
    var result2 = your_new_cloudinary_function(url2, optimizeTransformation2);
    // result2 should be: 'https://img.playbuzz.com/image/upload/f_auto,fl_lossy,q_auto/c_limit,w_640/v1502151920/gh3bbrepicumpdsj9i0o.jpg'

    // the transformations we use can be:
    // quality, fetch_format, flags, crop, width, height, asspect-ratio
    // and would like to use all that cloudinary have to offer