forward your from preview.redd.it to i.redd.it
// ==UserScript==
// @name Reddit unPreview
// @version 0.1
// @description forward your from preview.redd.it to i.redd.it
// @author HACKER3000
// @match https://preview.redd.it/*
// @grant none
// @namespace https://greasyforks.org/users/176965
// ==/UserScript==
(function() {
'use strict';
var url=document.URL
var patt = new RegExp("https://preview.redd.it/(.*?.{3})\\?.*");
var img = patt.exec(url);
var dest = "https://i.redd.it/";
dest += img[1];
window.location.replace(dest);
})();