Download pdf google drive chỉ cho quyền xem

 Bấm F12 của Chrome phần Console và paste đoạn script sau:

(function() {
   let elements = document.getElementsByTagName("img");

   for (let i = 0; i < elements.length; i++) {
       let img = elements[i];
       console.log("Processing img ", img);

       // Create a canvas to draw the image
       let can = document.createElement('canvas');
       let con = can.getContext("2d");
       can.width = img.width;
       can.height = img.height;
       con.drawImage(img, 0, 0, img.width, img.height);
       let imgData = can.toDataURL("image/png");

       // Create a download link
       let link = document.createElement('a');
       link.href = imgData;
       link.download = `image_${i + 1}.png`;
       document.body.appendChild(link);
       link.click();
       document.body.removeChild(link);

       console.log(`Image ${i + 1} downloaded`);
   }
})();