wallpaper.js

// Run this from the console in Chrome when viewing an image on WallpapersCraft. 
// It will download the 3840x2400 version of the image to your downloads folder.
// Example url: https://wallpaperscraft.com/wallpaper/television_wire_interference_57268

console.save = function(url) {
    e = document.createEvent('MouseEvents');
    a = document.createElement('a');
	a.download = url;
    a.href = url;
    e.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
    a.dispatchEvent(e);
};
console.save($('body > div.all > div > div.center_wb > div.wallpaper_big > div.wb_preview > div.wb_resolution > div:nth-child(7) > a:nth-child(2)')[0].href.replace(/(\d)\/(\d)/, "$1_$2").concat('.jpeg').replace('download', 'image'))