Greasy Fork is available in English.
Wipe out trash and only leave the content.
// ==UserScript==
// @name XKCDCleaner
// @namespace http://www.fuckboygamers.club
// @version 1.0
// @description Wipe out trash and only leave the content.
// @author Mr Whiskey
// @match htt*://xkcd.com/*
// @require http://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js
// ==/UserScript==
$( "div" ).remove( "#bottom" ); // Remove footer
$( "div" ).remove( "#topContainer" ); // Remove header
$("a").filter(":contains('|<')").remove(); // remove "comic one"
$("a").filter(":contains('>|')").remove(); // remove "recent comic"
$("a").filter(":contains('Random')").remove(); // remove "random"
$("a").filter(":contains('< Prev')").attr('href', 'javascript:history.back()'); // Change Prev button to go back to the last page you were on
$("a").filter(":contains('Next >')").attr('href', '//c.xkcd.com/random/comic/'); // Change Next button to find a random comic
$('div').last().remove(); // Remove "transcript" (invisible element containing no useful text)
$('div br:last-child')[0].nextSibling.nodeValue = ''; // Remove "Image Hyperlink" comment (Right click + copy image url)