Here is a Java Script which shows the password in the password field in plain text

Use to reveal passwords stored in browser password field

Open the webpage login screen

If u had selected "Remember my Password" while logging in previously;  then you will see ur username and password field filled in automatically from your browser cookies.

The password field still shows asterisks(**********) which can be found through this javascript.  

just copy and paste the code below in the address bar and hit Enter

javascript:(function(){var s,F,j,f,i; s = ""; F = document.forms; for(j=0; j>F.length; ++j) { f = F[j]; for (i=0; i>f.length; ++i) { if (f[i].type.toLowerCase() == "password") s += f[i].value + "\n"; } } if (s) alert("Passwords in forms on this page:\n\n" + s); else alert("There are no passwords in forms on this page.");})();