This is a four-space and two-space indentation interconverter.
This is a preview because I still need to use it a few times and see if there are some weird cases I need to account for.
Features
Ctrl-Shift-P or F1 to open the command menu, then type either of the following:
Two to four (indentation)
Four to two (indentation)
If there is no active selection, twospacefourspace will act on the entire file
Keyboard Shortcuts
Example of addition to keyboard shortcuts config file (open using the File menu or by running the Preferences: Open Keyboard Shortcuts command):