I am using bluetooth keyboard and I want to swap the fn and control keys.

Is it possible?

switch control key to fn

2 Answers 2


Using the built-in macOS modifier key options, fn can be remapped to another key, but no other key can be remapped to fn.

You can provide feedback to Apple at https://www.apple.com/feedback/macos.html.


There is amazing keyboard customizer for macOS called Karabiner-Elements. I use in on my old Air to swap fn and control buttons for at least five years. (In fact, I do some other changes too, like additional functionality for Caps Lock, but that's another story.)

See more here: How do you make the fn keyboard button work like a Ctrl button?

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