Stereo Buddy

Stereo Buddy is your session prep timesaver!

Stereo Buddy is a simple but powerful utility for analyzing the content of media items in Reaper.

It can detect silent items, stereophonic items containing monophonic signals, as well as those that are panned to the left or right.

It will then either delete or mute the silent items, and convert the fake-stereo items into monophonic ones, optionally panning them (taking into account the pan law's effect on the item's level and compensating accordingly).

So you can go:

...in a single click!