This is the "God-like powers" extension. The "set it and forget it" extension is called ClearURLs.

There's also Request Control, which is probably what you're looking for. More powerful than Redirector actually, but it comes with some common rules built in (not as comprehensive as ClearURLs though).

https://github.com/ClearURLs/Addon

https://github.com/slymax/request-control