Permissions filter like module filter The module filter makes managing modules from the UI very easy to manage. Live update with the search query and grouping. I've been looking for a similar module for the more messy permissions table. A similar module would definitely make it easier to manage that monstrous table :D

Does anybody know if a module exists for this?

I did try searching but I might not have used the right terms just like when I searched for user spoof and it resulted to a module named Masquerade.
The Fast Permissions Administration module is the closest equivalent that I've found


  This module is here to alleviate frustration when trying to manage permissions in Drupal. By providing a better permissions interface hopefully a few innocent keyboards and mice can be saved.


You get a UI like: