Keyboard remapping with semicolon arrowkeys

karabiner.json

{
    "global": { "show_in_menu_bar": false },
    "profiles": [
        {
            "complex_modifications": {
                "rules": [
                    {
                        "description": "Fix home and end in Slack and Messages.",
                        "manipulators": [
                            {
                                "conditions": [
                                    {
                                        "bundle_identifiers": [
                                            "^com.tinyspeck.slackmacgap$",
                                            "^com.apple.MobileSMS$"
                                        ],
                                        "type": "frontmost_application_if"
                                    }
                                ],
                                "from": {
                                    "key_code": "home",
                                    "modifiers": { "optional": ["any"] }
                                },
                                "to": [
                                    {
                                        "key_code": "left_arrow",
                                        "modifiers": ["left_command"]
                                    }
                                ],
                                "type": "basic"
                            },
                            {
                                "conditions": [
                                    {
                                        "bundle_identifiers": [
                                            "^com.tinyspeck.slackmacgap$",
                                            "^com.apple.MobileSMS$"
                                        ],
                                        "type": "frontmost_application_if"
                                    }
                                ],
                                "from": {
                                    "key_code": "end",
                                    "modifiers": { "optional": ["any"] }
                                },
                                "to": [
                                    {
                                        "key_code": "right_arrow",
                                        "modifiers": ["left_command"]
                                    }
                                ],
                                "type": "basic"
                            }
                        ]
                    },
                    {
                        "description": "Change caps_lock to command if pressed with other keys, to escape if pressed alone.",
                        "manipulators": [
                            {
                                "conditions": [
                                    {
                                        "bundle_identifiers": [
                                            "^net\\.kovidgoyal\\.kitty$",
                                            "^com\\.apple\\.Terminal$",
                                            "^com\\.googlecode\\.iterm2$",
                                            "^com\\.github\\.wez\\.wezterm$",
                                            "^com\\.turbovnc\\.vncviewer\\.VncViewer$"
                                        ],
                                        "type": "frontmost_application_unless"
                                    }
                                ],
                                "from": {
                                    "key_code": "caps_lock",
                                    "modifiers": { "optional": ["any"] }
                                },
                                "to": [{ "key_code": "left_command" }],
                                "to_if_alone": [{ "key_code": "escape" }],
                                "type": "basic"
                            }
                        ]
                    },
                    {
                        "description": "Change caps_lock to control if pressed with other keys in terminal, to escape if pressed alone.",
                        "manipulators": [
                            {
                                "conditions": [
                                    {
                                        "bundle_identifiers": [
                                            "^net\\.kovidgoyal\\.kitty$",
                                            "^com\\.apple\\.Terminal$",
                                            "^com\\.googlecode\\.iterm2$",
                                            "^com\\.github\\.wez\\.wezterm$",
                                            "^com\\.turbovnc\\.vncviewer\\.VncViewer$"
                                        ],
                                        "type": "frontmost_application_if"
                                    }
                                ],
                                "from": {
                                    "key_code": "caps_lock",
                                    "modifiers": { "optional": ["any"] }
                                },
                                "to": [{ "key_code": "left_control" }],
                                "to_if_alone": [{ "key_code": "escape" }],
                                "type": "basic"
                            }
                        ]
                    },
                    {
                        "description": "Change left option to shift+ctrl+cmd+option (aka hyper).",
                        "manipulators": [
                            {
                                "from": {
                                    "key_code": "left_option",
                                    "modifiers": { "optional": ["any"] }
                                },
                                "to": [
                                    {
                                        "key_code": "left_option",
                                        "modifiers": ["left_shift", "left_control", "left_command"]
                                    }
                                ],
                                "type": "basic"
                            }
                        ]
                    },
                    {
                        "description": "Semicolon + L = Right",
                        "manipulators": [
                            {
                                "from": {
                                    "key_code": "l",
                                    "modifiers": {
                                        "mandatory": ["fn"],
                                        "optional": ["any"]
                                    }
                                },
                                "to": [{ "key_code": "right_arrow" }],
                                "type": "basic"
                            }
                        ]
                    },
                    {
                        "description": "Semicolon + K = Down",
                        "manipulators": [
                            {
                                "from": {
                                    "key_code": "k",
                                    "modifiers": {
                                        "mandatory": ["fn"],
                                        "optional": ["any"]
                                    }
                                },
                                "to": [{ "key_code": "down_arrow" }],
                                "type": "basic"
                            }
                        ]
                    },
                    {
                        "description": "Semicolon + J = Left",
                        "manipulators": [
                            {
                                "from": {
                                    "key_code": "j",
                                    "modifiers": {
                                        "mandatory": ["fn"],
                                        "optional": ["any"]
                                    }
                                },
                                "to": [{ "key_code": "left_arrow" }],
                                "type": "basic"
                            }
                        ]
                    },
                    {
                        "description": "Semicolon + I = Up",
                        "manipulators": [
                            {
                                "from": {
                                    "key_code": "i",
                                    "modifiers": {
                                        "mandatory": ["fn"],
                                        "optional": ["any"]
                                    }
                                },
                                "to": [{ "key_code": "up_arrow" }],
                                "type": "basic"
                            }
                        ]
                    },
                    {
                        "description": "Semicolon + H = Page up",
                        "manipulators": [
                            {
                                "from": {
                                    "key_code": "h",
                                    "modifiers": {
                                        "mandatory": ["fn"],
                                        "optional": ["any"]
                                    }
                                },
                                "to": [{ "key_code": "page_up" }],
                                "type": "basic"
                            }
                        ]
                    },
                    {
                        "description": "Semicolon + N = Page down",
                        "manipulators": [
                            {
                                "from": {
                                    "key_code": "n",
                                    "modifiers": {
                                        "mandatory": ["fn"],
                                        "optional": ["any"]
                                    }
                                },
                                "to": [{ "key_code": "page_down" }],
                                "type": "basic"
                            }
                        ]
                    },
                    {
                        "description": "Semicolon + Y = Backspace",
                        "manipulators": [
                            {
                                "from": {
                                    "key_code": "y",
                                    "modifiers": {
                                        "mandatory": ["fn"],
                                        "optional": ["any"]
                                    }
                                },
                                "to": [{ "key_code": "delete_or_backspace" }],
                                "type": "basic"
                            }
                        ]
                    },
                    {
                        "description": "Semicolon + Space = Delete",
                        "manipulators": [
                            {
                                "from": {
                                    "key_code": "spacebar",
                                    "modifiers": {
                                        "mandatory": ["fn"],
                                        "optional": ["any"]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "delete_or_backspace",
                                        "modifiers": ["fn"]
                                    }
                                ],
                                "type": "basic"
                            }
                        ]
                    },
                    {
                        "description": "Semicolon + U = Home",
                        "manipulators": [
                            {
                                "conditions": [
                                    {
                                        "bundle_identifiers": [
                                            "^com.tinyspeck.slackmacgap$"
                                        ],
                                        "type": "frontmost_application_if"
                                    }
                                ],
                                "from": {
                                    "key_code": "u",
                                    "modifiers": {
                                        "mandatory": ["fn"],
                                        "optional": ["any"]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "left_arrow",
                                        "modifiers": ["left_command"]
                                    }
                                ],
                                "type": "basic"
                            },
                            {
                                "conditions": [
                                    {
                                        "bundle_identifiers": [
                                            "^com.tinyspeck.slackmacgap$"
                                        ],
                                        "type": "frontmost_application_unless"
                                    }
                                ],
                                "from": {
                                    "key_code": "u",
                                    "modifiers": {
                                        "mandatory": ["fn"],
                                        "optional": ["any"]
                                    }
                                },
                                "to": [{ "key_code": "home" }],
                                "type": "basic"
                            }
                        ]
                    },
                    {
                        "description": "Semicolon + O = End",
                        "manipulators": [
                            {
                                "conditions": [
                                    {
                                        "bundle_identifiers": [
                                            "^com.tinyspeck.slackmacgap$"
                                        ],
                                        "type": "frontmost_application_if"
                                    }
                                ],
                                "from": {
                                    "key_code": "o",
                                    "modifiers": {
                                        "mandatory": ["fn"],
                                        "optional": ["any"]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "right_arrow",
                                        "modifiers": ["left_command"]
                                    }
                                ],
                                "type": "basic"
                            },
                            {
                                "conditions": [
                                    {
                                        "bundle_identifiers": [
                                            "^com.tinyspeck.slackmacgap$"
                                        ],
                                        "type": "frontmost_application_unless"
                                    }
                                ],
                                "from": {
                                    "key_code": "o",
                                    "modifiers": {
                                        "mandatory": ["fn"],
                                        "optional": ["any"]
                                    }
                                },
                                "to": [{ "key_code": "end" }],
                                "type": "basic"
                            }
                        ]
                    },
                    {
                        "description": "Semicolon as fn",
                        "manipulators": [
                            {
                                "from": {
                                    "key_code": "semicolon",
                                    "modifiers": { "optional": ["any"] }
                                },
                                "to": [{ "key_code": "fn" }],
                                "to_if_alone": [{ "key_code": "semicolon" }],
                                "type": "basic"
                            }
                        ]
                    }
                ]
            },
            "devices": [
                {
                    "identifiers": {
                        "is_keyboard": true,
                        "product_id": 640,
                        "vendor_id": 1452
                    },
                    "simple_modifications": [
                        {
                            "from": { "key_code": "right_command" },
                            "to": [{ "key_code": "right_option" }]
                        },
                        {
                            "from": { "key_code": "right_option" },
                            "to": [{ "key_code": "right_command" }]
                        }
                    ]
                },
                {
                    "identifiers": {
                        "is_pointing_device": true,
                        "product_id": 254,
                        "vendor_id": 1390
                    },
                    "ignore": false,
                    "simple_modifications": [
                        {
                            "from": { "pointing_button": "button4" },
                            "to": [{ "pointing_button": "button3" }]
                        },
                        {
                            "from": { "pointing_button": "button5" },
                            "to": [{ "pointing_button": "button4" }]
                        }
                    ]
                },
                {
                    "identifiers": {
                        "is_pointing_device": true,
                        "product_id": 268,
                        "vendor_id": 1390
                    },
                    "simple_modifications": [
                        {
                            "from": { "pointing_button": "button4" },
                            "to": [{ "pointing_button": "button2" }]
                        },
                        {
                            "from": { "pointing_button": "button5" },
                            "to": [{ "pointing_button": "button4" }]
                        }
                    ]
                },
                {
                    "identifiers": {
                        "is_keyboard": true,
                        "is_pointing_device": true,
                        "product_id": 61453,
                        "vendor_id": 65261
                    },
                    "manipulate_caps_lock_led": false
                },
                {
                    "identifiers": {
                        "is_keyboard": true,
                        "product_id": 48879,
                        "vendor_id": 65261
                    },
                    "ignore": true,
                    "manipulate_caps_lock_led": false
                },
                {
                    "identifiers": { "is_keyboard": true },
                    "simple_modifications": [
                        {
                            "from": { "key_code": "right_command" },
                            "to": [{ "key_code": "right_option" }]
                        },
                        {
                            "from": { "key_code": "right_option" },
                            "to": [{ "key_code": "right_command" }]
                        }
                    ]
                }
            ],
            "fn_function_keys": [
                {
                    "from": { "key_code": "f1" },
                    "to": [{ "key_code": "display_brightness_decrement" }]
                },
                {
                    "from": { "key_code": "f2" },
                    "to": [{ "key_code": "display_brightness_increment" }]
                },
                {
                    "from": { "key_code": "f3" },
                    "to": [{ "key_code": "mission_control" }]
                },
                {
                    "from": { "key_code": "f4" },
                    "to": [{ "key_code": "launchpad" }]
                },
                {
                    "from": { "key_code": "f5" },
                    "to": [{ "key_code": "illumination_decrement" }]
                },
                {
                    "from": { "key_code": "f6" },
                    "to": [{ "key_code": "illumination_increment" }]
                },
                {
                    "from": { "key_code": "f7" },
                    "to": [{ "key_code": "rewind" }]
                },
                {
                    "from": { "key_code": "f8" },
                    "to": [{ "key_code": "play_or_pause" }]
                },
                {
                    "from": { "key_code": "f9" },
                    "to": [{ "key_code": "fastforward" }]
                },
                {
                    "from": { "key_code": "f10" },
                    "to": [{ "key_code": "mute" }]
                },
                {
                    "from": { "key_code": "f11" },
                    "to": [{ "key_code": "volume_decrement" }]
                },
                {
                    "from": { "key_code": "f12" },
                    "to": [{ "key_code": "volume_increment" }]
                }
            ],
            "name": "Default profile",
            "selected": true,
            "simple_modifications": [
                {
                    "from": { "apple_vendor_top_case_key_code": "keyboard_fn" },
                    "to": [{ "key_code": "delete_forward" }]
                }
            ],
            "virtual_hid_keyboard": {
                "caps_lock_delay_milliseconds": 0,
                "country_code": 0,
                "keyboard_type": "ansi",
                "keyboard_type_v2": "ansi"
            }
        }
    ]
}