So neat bit of javascript code here.
Enter this in the toolbar, and the whole site you're on becomes "editable" to a point. It's client-side, so don't expect to change anything and save it.
"JavaScript:document.body.contentEditable='true'; document.designMode='on'; void 0"
Sorry ahead of time Rimmy.
It goes in the URL toolbar, correct?
Haha, This rocks. Time to make some printscreen mischeif.
So far it can load most Microsoft WAVE files and get the header and PCM data, generate a new header, generate a data URI and play.
There's also Grease Monkey