How to create a favicon.ico for your websit. Site Tools: Create your own web buttons - Lifehacker. ConvertIcon. Image:Crystal Clear action window nofullscreen.png - Wikimedia C. Iconfinder.net - Worlds largest icon search engine. Crystal Clear. Crystal Clear From Wikimedia Commons, the free media repository Jump to: navigation, search Icons from the Crystal Clear icon set (archived page as of 10 October 2012 at Internet Archive) by Everaldo Coelho. – The icons are licensed under the GNU Lesser General Public License (LGPL).