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Many blog posts and articles instruct how you can turn your caps lock key into a 'hyper key' of Shift+Ctrl+Cmd+Alt using karabiner-elements. Here is one of the many.

The article that first introduced me to the idea also showed how to subsequently create a new command to turn on caps lock (e.g. Hyper+L would enable all caps). Now, however, after countless iterations of Google queries I can't find how to do this. I also can't find caps lock in the services menu of System Preference's keyboard settings. Thus my question:

⇒ How can I create a new keyboard shortcut for caps lock?

I am not asking how to remap the caps lock key. I am asking how to enable the caps lock function/behavior without using a caps lock key (remapped or not).

Unrelated
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  • I’ve never heard that this was possible (which doesn’t mean it isn’t). If it is, I’d very much like to know that answer too. – TJ Luoma Sep 19 '20 at 03:35
  • Maybe I made it up! But I'm pretty sure I saw it one time one place – Unrelated Sep 19 '20 at 03:51
  • https://apple.stackexchange.com/questions/361373/toggle-caps-lock-programmatically-using-applescript – pkamb Oct 21 '20 at 00:03

1 Answers1

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Open /Users/<you>/.config/karabiner/karabiner.json in your favourite text editor. In the section rules, add the following segment (without the first and last line, they are just to help you find it)

        "rules": [
            {
                "manipulators": [
                    {
                        "description": "Change command+l to Caps Lock",
                        "from": {
                            "key_code": "l",
                            "modifiers": [
                                "left_command"
                            ]
                        },
                        "to": [
                            {
                                "key_code": "caps_lock"
                            }
                        ],
                        "type": "basic"
                    }
                ]
            }
        ]

This uses left_command, not hyper because I'm not entirely sure if it understands the latter's keycode. But try hyper or use the event viewer to find the key code.

Then, restart karabiner.

Matthias Winkelmann
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