Donwload images from a site (filtering by type) using the browser console

donwloadImgsFromConsole.js

const validFormats = ['jpg', 'jpeg', 'png'];
const images = [...document.getElementsByTagName('img')]
  .map(img => img.getAttribute('src'))
  .filter(img => validFormats.some(format => img.includes(format)));
let i = 0;

setInterval(() => {
  if (images.length > i) {
    const link = document.createElement('a');
    link.id = i;
    link.download = images[i];
    link.href = images[i];
    link.click();
    i++;
  }
}, 1000);