Edit: Still works as of April 2023
Yeah! You read that right, enjoy it while you can before it gets taken down by nintendo!
It's controller friendly, saves function, doesn't require any kind of set up, doesn't run on flash, and doesn't take much in resources to run even on a resource hog like chrome.
Have fun
(psst N64 talk in general is welcome)
(this thread is actively maintained, if the link is down for an extremely long time, it's just because no link has surfaced. I'm always actively searching.)
It can be a little slow to load, give it a bit after clicking around, maybe grab a drink, leave it the active window.
(you need an account to see links)