Cookie clicker assistant (Bookmarklet) store the code as a bookmark, then click it when you are in Cookie clicker.

gistfile1.js

javascript: (function () {
  function loadScript(b, c) {
		var a = document.createElement("script");
		a.type = "text/javascript";
		if (a.readyState) {
			a.onreadystatechange = function () {
				if (a.readyState == "loaded" || a.readyState == "complete") 
					{a.onreadystatechange = null; c() } }
		} else {a.onload = function () {c() } } a.src = b;
		document.getElementsByTagName("head")[0].appendChild(a)
	}
	loadScript("//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js", function () {
			loadScript("//pastebin.com/raw.php?i=2KRNm8Gm", function () {
				loadScript("//raw.github.com/jcppkkk/Cookie-Clicker-Highlighter/master/cookie-highlighter.js", function () {})
			})
		});
})();

https://gist.github.com/jcppkkk/6522576
Load Cookie Monster and Highlighter