I have a personal new tab chrome / firefox extension that does exactly this. A black screen, a button, that's it. Don't install someone else's extension -- make

I have a personal new tab chrome / firefox extension that does exactly this. A black screen, a button, that's it. Don't install someone else's extension -- make your own off a minimal example on github. It's... well it's about the simplest bit of code I've written that I rely on daily.