KeyboardCleanTool is a super simple little tool which blocks all
Keyboard and TouchBar input.
In 2011 Apple rejected the app for the Mac App Store because
apparently it’s “not useful”, however I often use it to clean my
MacBook keyboard without producing annoying input.
I have also heard of people who use it to let their toddlers
pretend they work on a computer.
The app has been around for 10 years, but I don’t recall hearing of it before. It’s more useful than ever today, because modern MacBooks will power on with the press of any key on the keyboard. It used to be that you could wipe your keyboard clean while powered down, but Apple changed that a few years ago, apparently because a fair number of users were confused how to turn their MacBooks on, now that the power/Touch ID button has no power icon. (Joanna Stern and I talked about this on
KeyboardCleanTool is a great solution.