Uncover and view passwords in Firefox, Chrome, IE, Safari

uncover-pass.js

// this gist demonstrates how easy an attacker can get all your saved passwords in almost any browser
// usage: 
// 1. goto any website where your browser has stored a password for you
// 2. open the Developer Console (F12), may vary from browser to browser
// 3. paste following code & execute it

for (var els = document.querySelectorAll("input[type=password]"), i = els.length - 1; i >= 0; --i)
{
	els[i].type = "text";
}

// bookmarklet
javascript:(function(){for(var t=document.querySelectorAll('input[type=password]'),e=t.length-1;e>=0;--e)t[e].type='text'})();