There used to be a service like this for facebook and twitter, then those two services blocked them from doing so. Which was sad, but it ultimately worked well

There used to be a service like this for facebook and twitter, then those two services blocked them from doing so. Which was sad, but it ultimately worked well for everyone who ended up using it before the ban. It would untag you from photos, delete your comments, wall posts, photos, information, change your name, and issue a deletion after changing your password (and emailing that to you).