Replaces Google's current favicon with an older one.

better-favicon.user.js

// ==UserScript==
// @name           BetterFavicon
// @namespace      YoloSwaghettiGroup
// @description    A better favicon for google
// @include        https://*.google.com/*
// @include        http://*.google.com/*
// @include        https://*.google.de/*
// @include        http://*.google.de/*
// @grant          none
// @author         Deine Mudda
// ==/UserScript==

// Ganz altes icon hier:
// favicon_link_html.href = 'http://robbyonrails.com/files/google-favicon.ico';

// Netter base64 converter
// http://www.kawa.net/works/js/data-scheme/base64-e.html

// image source: http://theharry.com/wp-content/uploads/2012/08/favicon6.ico
var faviconData = 'data:image/x-icon;base64,'+
    'AAABAAIAEBAAAAEAIABoBAAAJgAAACAgAAABACAAqBAAAI4EAAAoAAAAEAAAACAAAAABACAAAAAA'+
    'AAAEAAASCwAAEgsAAAAAAAAAAAAA/pBNSv6QTef+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3/'+
    '/pBN//6QTf/+kE3//pBN//6QTf/+kE3k/pBNSv6QTeb+kE3//pBN//6QTf/+kE3//pBN//6QTf/+'+
    'kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTef+kE3//pBN//6QTf/+kE3//pdY///N'+
    'r///8ej//+fZ///Ywf//07n//qp2//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN'+
    '///bxv//7uP//p1j//6QTf/+kE3//pNR///eyv/+qnf//pBN//6QTf/+kE3//pBN//6QTf/+kE3/'+
    '/pBN//6QTf//8Of//sGc//6QTf/+kE3//pBN//6QTf/+wJr//9e+//6QTf/+kE3//pBN//6QTf/+'+
    'kE3//pBN//6QTf/+kE3//sSh///hz//+k1L//pBN//6QTf/+nGH//+7j///TuP/+kE3//pBN//6Q'+
    'Tf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+sYH//82v//7Cnf/+x6b///Xv///u5P/+nGD//pBN'+
    '//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+klD///fy///l1f/+mVv/'+
    '/pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+p3H//r+Y/////v/+'+
    't4z//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+vpf///z5//6w'+
    'gf/+l1n//9K2//6oc//+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3///bx'+
    '///St//+kE3//pBN//6sev//7eL//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3/'+
    '/pBN///38v/+t4z//pBN//6QTf/+upD///v5//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+'+
    'kE3//pBN//6QTf//za7//sKd//6QTf/+kU///+bX///aw//+kE3//pBN//6QTf/+kE3//pBN//6Q'+
    'Tf/+kE3//pBN//6QTf/+kE3//pFP//7Amv/+wZz//+TT///+/f//0LT//q9///6QTf/+kE3//pBN'+
    '//6QTf/+kE3m/pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3/'+
    '/pBN//6QTf/+kE3m/pBNSf6QTeb+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+'+
    'kE3//pBN//6QTf/+kE3m/pBNSQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA'+
    'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAoAAAAIAAAAEAAAAABACAAAAAAAAAQAAASCwAAEgsA'+
    'AAAAAAAAAAAA/pBNAP6QTSf+kE2t/pBN8v6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3/'+
    '/pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+'+
    'kE3//pBN//6QTfL+kE2t/pBNJ/6QTQD+kE0o/pBN7/6QTf/+kE3//pBN//6QTf/+kE3//pBN//6Q'+
    'Tf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN'+
    '//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3v/pBNKP6QTa3+kE3//pBN//6QTf/+kE3/'+
    '/pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+'+
    'kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE2t/pBN8f6Q'+
    'Tf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN'+
    '//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3/'+
    '/pBN//6QTfP+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pVV//68lP//'+
    '3sr///Ps///7+f///Pv///Xv///p3P//0bb//qt4//6QTv/+kE3//pBN//6QTf/+kE3//pBN//6Q'+
    'Tf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN'+
    '//6sev//9O3/////////////9vH//9a9//7Dn//+vJT//sGb///Wvf//+PX//+XW//6haf/+kE3/'+
    '/pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+'+
    'kE3//pBN//6QTf/+oGf///r3/////////fz//sOf//6TUf/+kE3//pBN//6QTf/+kE3//pBN//6X'+
    'Wf//49L///bw//6iav/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN'+
    '//6QTf/+kE3//pBN//6QTf/+kE3//pBN///TuP////////////67kv/+kE3//pBN//6QTf/+kE3/'+
    '/pBN//6QTf/+kE3//pBN//6aXP///Pr//+bX//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+'+
    'kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//+bX////////9e///pBO//6Q'+
    'Tf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN///o2v///////qNr//6QTf/+kE3//pBN'+
    '//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf//2sT/'+
    '///////u4//+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3///Hp///////+'+
    'uY///pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6Q'+
    'Tf/+kE3//pBN//6yhP////////38//6dYv/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN'+
    '//66kf////////////63jP/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3/'+
    '/pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN///QtP///////+fZ//6cYP/+kE3//pBN//6QTf/+'+
    'kE3//pBN//6QTf/+uI3///z7/////////Pv//ptf//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6Q'+
    'Tf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//64jf//8en///n2'+
    '///QtP/+tIb//qJq//6aXP/+mVz//9G2//////////////////7Dn//+kE3//pBN//6QTf/+kE3/'+
    '/pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+'+
    'kE3//pBN//6RTv/+p3H//sGc///Stv//3cn//+7k/////////////////////v/+xqT//pBN//6Q'+
    'Tf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN'+
    '//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf//38v/////////////+vf/'+
    '/raK//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+'+
    'kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//p1j////'+
    '//////////Xu//6ja//+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN'+
    '//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3/'+
    '/pBN//6QTf/+nmP/////////////y6z//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+'+
    'kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6Q'+
    'Tf/+kE3//pBN//6pdf//1bz//+vf///q3f///v3////////n2f/+k1H//pBN//6QTf/+kE3//pBN'+
    '//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3/'+
    '/pBN//6QTf/+kE3//pBN//6QTf/+x6b/////////////7OD//q5+//6YWv/+pnD//97K///fy//+'+
    'llb//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6Q'+
    'Tf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//rGC//////////////Ps//6ZW//+kE3//pBN'+
    '//6QTf/+klD//+vf///m1//+lFP//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3/'+
    '/pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf//4tH////////////+'+
    'uI7//pBN//6QTf/+kE3//pBN//6QTf//yKf///////7GpP/+kE3//pBN//6QTf/+kE3//pBN//6Q'+
    'Tf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN'+
    '///69/////////n1//6TUv/+kE3//pBN//6QTf/+kE3//pBN//7EoP///////+7k//6QTf/+kE3/'+
    '/pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+'+
    'kE3//pBN//6QTf/+kE3///r3////////4tH//pBN//6QTf/+kE3//pBN//6QTf/+kE3//9G1////'+
    '////+vf//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN'+
    '//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf//5tf////////YwP/+kE3//pBN//6QTf/+kE3/'+
    '/pBN//6QTf//7uP////////z7P/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+'+
    'kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//68lP///////+LR//6Q'+
    'Tf/+kE3//pBN//6QTf/+kE3//qt5/////////////9G2//6QTf/+kE3//pBN//6QTf/+kE3//pBN'+
    '//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3/'+
    '/pJQ///k0///+/n//pxg//6QTf/+kE3//pBN//6VVf//7OD////////48//+nWH//pBN//6QTf/+'+
    'kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6Q'+
    'Tf/+kE3//pBN//6QTf/+kE3//pdX///Ywf//7eL//q58//6XWf/+q3j//+ja/////////Pv//rmP'+
    '//6fZf/+klD//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3/'+
    '/pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6pdf//0rb//+ve///49f//'+
    '///////////////////////////t4v/+r3///pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6Q'+
    'Tf/+kE3x/pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN'+
    '//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3/'+
    '/pBN//6QTf/+kE3//pBN8/6QTa3+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+'+
    'kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6Q'+
    'Tf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE2t/pBNJ/6QTe/+kE3//pBN//6QTf/+kE3//pBN'+
    '//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3/'+
    '/pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN7/6QTSf+kE0A/pBNJf6QTa3+'+
    'kE3x/pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6Q'+
    'Tf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN//6QTf/+kE3//pBN8f6QTa3+kE0l/pBN'+
    'AIAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA'+
    'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA'+
    'AAAAAAAAAAAAAACAAAAB';

var favicon_link_html = document.createElement('link');
favicon_link_html.rel = 'icon';
favicon_link_html.href = faviconData
favicon_link_html.type = 'image/x-icon';

try { 
  document.getElementsByTagName('head')[0].appendChild( favicon_link_html ); 
}
catch(e) { }