A bookmarklet that hides all the sidebar and header crap on wikipedia, it puts the content front and center with the find bar in the top right corner so you can navigate to other articles.

bigWiki.js

javascript:(function(){document.getElementById("mw-head-base").setAttribute("style","height:0px;visibility:hidden;");document.getElementById("mw-navigation").setAttribute("style","visibility:hidden;");document.getElementById("content").setAttribute("style","width:96%;margin-left:2px");var search=document.getElementById("searchInput");search.setAttribute("style","position:absolute;right:0;");var body=document.getElementsByTagName("body")[0];body.insertBefore(search,body.firstChild);})();

InjectBigWiki.js

javascript:(function(){
  _my_script=document.createElement('script');
  _my_script.type='text/javascript';
  _my_script.src='https://gist.github.com/makenova/6946529/raw/46390be80f63d4269602231d79fe2e952559ccbd/bigwiki.js';
  document.getElementsByTagName('head')[0].appendChild(_my_script);
})();