Sleazy Fork is available in English.
Adds a few quality of life improvements on Sankaku Channel: Automatic image scaling, scrolling to image, thumbnail icons for loud/animated posts, muting/pausing videos, + - tag search buttons, a tag menu which allows for tagging by clicking, 'Choose/Set Parent' modes, easier duplicate tagging/flagging. Fully configurable through the Addon config.
Conflict with browser's shortcuts
In Firefox, when I pressed Ctrl+E to focus the search bar, the shortcut of the script was also activated.
Maybe it should do some additional check in the event handler:
!e.ctrlKey && !e.altKey && !e.shiftKey