show size of localstorage + bookmarklet

localstorage size

Bookmarklet:
javascript: var x,log=[],total=0;for (x in localStorage){log.push(x + " = " +  ((localStorage[x].length * 2)/1024/1024).toFixed(2) + " MB"); total+=localStorage[x].length * 2}; log.push("Total = " + (total/1024/1024).toFixed(2)+ " MB"); alert(log.join("\n"));

Console:
for(var x in localStorage)console.log(x+"="+((localStorage[x].length * 2)/1024/1024).toFixed(2)+" MB");