Karabiner Personal Configuration

karabiner.json

{
    "global": {
        "check_for_updates_on_startup": true,
        "show_in_menu_bar": true,
        "show_profile_name_in_menu_bar": false
    },
    "profiles": [
        {
            "complex_modifications": {
                "parameters": {
                    "basic.to_if_alone_timeout_milliseconds": 1000
                },
                "rules": [
                    {
                        "description": "SpaceFN: Space enables SpaceFN mode (see: https://geekhack.org/index.php?topic=51069.0)",
                        "manipulators": [
                            {
                                "from": {
                                    "key_code": "spacebar",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "set_variable": {
                                            "name": "spacefn_mode",
                                            "value": 1
                                        }
                                    }
                                ],
                                "to_after_key_up": [
                                    {
                                        "set_variable": {
                                            "name": "spacefn_mode",
                                            "value": 0
                                        }
                                    }
                                ],
                                "to_if_alone": [
                                    {
                                        "key_code": "spacebar"
                                    }
                                ],
                                "type": "basic"
                            }
                        ]
                    },
                    {
                        "description": "SpaceFN: Space+b to Space (hold to repeat)",
                        "manipulators": [
                            {
                                "conditions": [
                                    {
                                        "name": "spacefn_mode",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "b",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "spacebar"
                                    }
                                ],
                                "type": "basic"
                            }
                        ]
                    },
                    {
                        "description": "SpaceFN: Space+[hjkl] to Up, Left, Down, Right",
                        "manipulators": [
                            {
                                "conditions": [
                                    {
                                        "name": "spacefn_mode",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "k",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "up_arrow"
                                    }
                                ],
                                "type": "basic"
                            },
                            {
                                "conditions": [
                                    {
                                        "name": "spacefn_mode",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "j",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "down_arrow"
                                    }
                                ],
                                "type": "basic"
                            },
                            {
                                "conditions": [
                                    {
                                        "name": "spacefn_mode",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "h",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "left_arrow"
                                    }
                                ],
                                "type": "basic"
                            },
                            {
                                "conditions": [
                                    {
                                        "name": "spacefn_mode",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "l",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "right_arrow"
                                    }
                                ],
                                "type": "basic"
                            }
                        ]
                    },
                    {
                        "description": "Change tilde (~) to shift + ESC.",
                        "manipulators": [
                            {
                                "from": {
                                    "key_code": "escape",
                                    "modifiers": {
                                        "mandatory": [
                                            "shift"
                                        ],
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "grave_accent_and_tilde",
                                        "modifiers": [
                                            "shift"
                                        ]
                                    }
                                ],
                                "type": "basic"
                            }
                        ]
                    },
                    {
                        "description": "Change backtick (grave_accent, `) to shift + ESC.",
                        "manipulators": [
                            {
                                "from": {
                                    "key_code": "caps_lock",
                                    "modifiers": {
                                        "mandatory": [
                                            "shift"
                                        ],
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "grave_accent_and_tilde"
                                    }
                                ],
                                "type": "basic"
                            }
                        ]
                    },
                    {
                        "description": "cycle through screens with Command + ESC.",
                        "manipulators": [
                            {
                                "from": {
                                    "key_code": "caps_lock",
                                    "modifiers": {
                                        "mandatory": [
                                            "command"
                                        ],
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "grave_accent_and_tilde",
                                        "modifiers": [
                                            "command"
                                        ]
                                    }
                                ],
                                "type": "basic"
                            }
                        ]
                    }
                ]
            },
            "devices": [],
            "fn_function_keys": {
                "f1": "display_brightness_decrement",
                "f10": "mute",
                "f11": "volume_decrement",
                "f12": "volume_increment",
                "f2": "display_brightness_increment",
                "f3": "mission_control",
                "f4": "launchpad",
                "f5": "illumination_decrement",
                "f6": "illumination_increment",
                "f7": "rewind",
                "f8": "play_or_pause",
                "f9": "fastforward"
            },
            "name": "Default profile",
            "selected": true,
            "simple_modifications": {},
            "virtual_hid_keyboard": {
                "caps_lock_delay_milliseconds": 0,
                "keyboard_type": "ansi"
            }
        }
    ],
    "rules": [
        {
            "description": "Change tilde to shift + ESC.",
            "manipulators": [
                {
                    "from": {
                        "key_code": "escape",
                        "modifiers": {
                            "mandatory": [
                                "shift"
                            ],
                            "optional": [
                                "any"
                            ]
                        }
                    },
                    "to": [
                        {
                            "key_code": "grave_accent_and_tilde"
                        }
                    ],
                    "to_if_alone": [
                        {
                            "key_code": "escape"
                        }
                    ],
                    "type": "basic"
                }
            ]
        }
    ],
    "title": "Change tilde to shift + ESC"
}