Zillow Image Downloader

zillow.js

/**
 *  NOTE: this specifically works if the house is for sale since it renders differently.
 *  This will download the highest resolution available per image.
 */ 



/**
 * STEP 1: Make sure to vertically *SCROLL* through all images so they appear on DOM.
 * Do this before clicking on any of the images and entering the viewing modal.
 * No need to click any images.
 */



/**
 * STEP 2: Open Dev Tools Console.
 * Copy and paste code below
 */
const script = document.createElement('script');
script.src = "https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js";

script.onload = () => {
  $ = jQuery.noConflict();
  
  const imageList = $('ul.media-stream li picture source[type="image/jpeg"]').map(function () {
    const srcset = $(this).attr('srcset').split(' '); // get highest res urls for each image
    return srcset[srcset.length - 2]
  }).toArray();
  
  const delay = ms => new Promise(res => setTimeout(res, ms)); // promise delay
  
  // get all image blobs in parallel first before downloading for proper batching
  Promise.all(imageList.map(i => fetch(i))
  ).then(responses =>
    Promise.all(responses.map(res => res.blob()))
    ).then(async (blobs) => {
      for (let i = 0; i < blobs.length; i++) {
        if (i % 10 === 0) {
          console.log('1 sec delay...');
          await delay(1000);
        }
        
        var a = document.createElement('a');
        a.style = "display: none";
        console.log(i);
        
        var url = window.URL.createObjectURL(blobs[i]);
        a.href = url;
        a.download = i + '';
        document.body.appendChild(a);
      a.click();

      setTimeout(() => {
        window.URL.revokeObjectURL(url);
      }, 100);
    }
  });
};

document.getElementsByTagName('head')[0].appendChild(script);