In reply to Willi Crater:
> Or you could simply use the chrome extension that does exactly what the OP wants, as I suggested? Oh I don't know, I give up!
As I said, it depends what you want the record for. The OP hasn't revealed why he wants a record of the conversatio n.
If it's for any sort of legal dispute I can't see a random HTML file standing up to scrutiny.
Post edited at 14:49