Karabiner Elements JSON configuration for an external keyboard (And RDP specific things)

keyboards.json

{
    "description": "Keyboards",
    "manipulators": [
        {
            "conditions": [
                {
                    "bundle_identifiers": [
                        "com\\.microsoft\\.rdc\\.osx\\.beta",
                        "com\\.microsoft\\.rdc\\.macos"
                    ],
                    "type": "frontmost_application_unless"
                },
                {
                    "identifiers": [
                        {
                            "description": "USB Keyboard",
                            "product_id": 1,
                            "vendor_id": 9610
                        }
                    ],
                    "type": "device_if"
                }
            ],
            "description": "Home is jump left or select to start of line (Not for RDP)",
            "from": {
                "key_code": "home",
                "modifiers": { "mandatory": ["shift"] }
            },
            "to": [
                {
                    "key_code": "left_arrow",
                    "modifiers": ["command", "shift"]
                }
            ],
            "type": "basic"
        },
        {
            "conditions": [
                {
                    "bundle_identifiers": [
                        "com\\.microsoft\\.rdc\\.osx\\.beta",
                        "com\\.microsoft\\.rdc\\.macos"
                    ],
                    "type": "frontmost_application_unless"
                },
                {
                    "identifiers": [
                        {
                            "description": "USB Keyboard",
                            "product_id": 1,
                            "vendor_id": 9610
                        }
                    ],
                    "type": "device_if"
                }
            ],
            "description": "End is jump right or select to end of line (Not for RDP)",
            "from": {
                "key_code": "end",
                "modifiers": { "mandatory": ["shift"] }
            },
            "to": [
                {
                    "key_code": "right_arrow",
                    "modifiers": ["command", "shift"]
                }
            ],
            "type": "basic"
        },
        {
            "conditions": [
                {
                    "identifiers": [
                        {
                            "description": "USB Keyboard",
                            "product_id": 1,
                            "vendor_id": 9610
                        }
                    ],
                    "type": "device_if"
                },
                {
                    "input_sources": [{ "input_source_id": "com.apple.keylayout.German-DIN-2137" }],
                    "type": "input_source_unless"
                }
            ],
            "description": "Space is switch to external keyboard input source",
            "from": { "key_code": "spacebar" },
            "to": [
                { "select_input_source": { "input_source_id": "com.apple.keylayout.German-DIN-2137" } },
                { "key_code": "spacebar" }
            ],
            "type": "basic"
        },
        {
            "conditions": [
                {
                    "identifiers": [
                        {
                            "description": "Internal Keyboard",
                            "product_id": 1,
                            "vendor_id": 9610
                        }
                    ],
                    "type": "device_unless"
                },
                {
                    "input_sources": [{ "input_source_id": "com.apple.keylayout.SwissGerman" }],
                    "type": "input_source_unless"
                }
            ],
            "description": "Space is switch to internal keyboard input source",
            "from": { "key_code": "spacebar" },
            "to": [
                { "select_input_source": { "input_source_id": "com.apple.keylayout.SwissGerman" } },
                { "key_code": "spacebar" }
            ],
            "type": "basic"
        },
        {
            "conditions": [
                {
                    "bundle_identifiers": [
                        "com\\.microsoft\\.rdc\\.osx\\.beta",
                        "com\\.microsoft\\.rdc\\.macos"
                    ],
                    "type": "frontmost_application_unless"
                },
                {
                    "identifiers": [
                        {
                            "description": "USB Keyboard",
                            "product_id": 1,
                            "vendor_id": 9610
                        }
                    ],
                    "type": "device_if"
                }
            ],
            "description": "Home is jump left (Not for RDP)",
            "from": { "key_code": "home" },
            "to": [
                {
                    "key_code": "left_arrow",
                    "modifiers": ["command"]
                }
            ],
            "type": "basic"
        },
        {
            "conditions": [
                {
                    "bundle_identifiers": [
                        "com\\.microsoft\\.rdc\\.osx\\.beta",
                        "com\\.microsoft\\.rdc\\.macos"
                    ],
                    "type": "frontmost_application_unless"
                },
                {
                    "identifiers": [
                        {
                            "description": "USB Keyboard",
                            "product_id": 1,
                            "vendor_id": 9610
                        }
                    ],
                    "type": "device_if"
                }
            ],
            "description": "End is jump left (Not for RDP)",
            "from": { "key_code": "end" },
            "to": [
                {
                    "key_code": "right_arrow",
                    "modifiers": ["command"]
                }
            ],
            "type": "basic"
        },
        {
            "conditions": [
                {
                    "bundle_identifiers": [
                        "com\\.microsoft\\.rdc\\.osx\\.beta",
                        "com\\.microsoft\\.rdc\\.macos"
                    ],
                    "type": "frontmost_application_unless"
                },
                {
                    "identifiers": [
                        {
                            "description": "USB Keyboard",
                            "product_id": 1,
                            "vendor_id": 9610
                        }
                    ],
                    "type": "device_if"
                }
            ],
            "description": "CTRL is command (Not for RDP)",
            "from": { "key_code": "left_control" },
            "to": [{ "key_code": "left_command" }],
            "type": "basic"
        },
        {
            "conditions": [
                {
                    "bundle_identifiers": [
                        "com\\.microsoft\\.rdc\\.osx\\.beta",
                        "com\\.microsoft\\.rdc\\.macos"
                    ],
                    "type": "frontmost_application_unless"
                },
                {
                    "identifiers": [
                        {
                            "description": "USB Keyboard",
                            "product_id": 1,
                            "vendor_id": 9610
                        }
                    ],
                    "type": "device_if"
                }
            ],
            "description": "ALT+c is control+c (Not for RDP)",
            "from": {
                "key_code": "c",
                "modifiers": { "mandatory": ["left_option"] }
            },
            "to": [
                {
                    "key_code": "c",
                    "modifiers": ["left_control"]
                }
            ],
            "type": "basic"
        },
        {
            "conditions": [
                {
                    "bundle_identifiers": [
                        "com\\.microsoft\\.rdc\\.osx\\.beta",
                        "com\\.microsoft\\.rdc\\.macos"
                    ],
                    "type": "frontmost_application_unless"
                },
                {
                    "identifiers": [
                        {
                            "description": "USB Keyboard",
                            "product_id": 1,
                            "vendor_id": 9610
                        }
                    ],
                    "type": "device_if"
                }
            ],
            "description": "ALT+r is control+c (Not for RDP)",
            "from": {
                "key_code": "r",
                "modifiers": { "mandatory": ["left_option"] }
            },
            "to": [
                {
                    "key_code": "r",
                    "modifiers": ["left_control"]
                }
            ],
            "type": "basic"
        },
        {
            "conditions": [
                {
                    "bundle_identifiers": [
                        "com\\.microsoft\\.rdc\\.osx\\.beta",
                        "com\\.microsoft\\.rdc\\.macos"
                    ],
                    "type": "frontmost_application_unless"
                },
                {
                    "identifiers": [
                        {
                            "description": "USB Keyboard",
                            "product_id": 1,
                            "vendor_id": 9610
                        }
                    ],
                    "type": "device_if"
                }
            ],
            "description": "CTRL+Left Arrow is command (Not for RDP)",
            "from": {
                "key_code": "left_arrow",
                "modifiers": {
                    "mandatory": ["left_command"],
                    "optional": ["shift"]
                }
            },
            "to": [
                {
                    "key_code": "left_arrow",
                    "modifiers": ["left_option"]
                }
            ],
            "type": "basic"
        },
        {
            "conditions": [
                {
                    "bundle_identifiers": [
                        "com\\.microsoft\\.rdc\\.osx\\.beta",
                        "com\\.microsoft\\.rdc\\.macos"
                    ],
                    "type": "frontmost_application_unless"
                },
                {
                    "identifiers": [
                        {
                            "description": "USB Keyboard",
                            "product_id": 1,
                            "vendor_id": 9610
                        }
                    ],
                    "type": "device_if"
                }
            ],
            "description": "CTRL+Right Arrow is command (Not for RDP)",
            "from": {
                "key_code": "right_arrow",
                "modifiers": {
                    "mandatory": ["left_command"],
                    "optional": ["shift"]
                }
            },
            "to": [
                {
                    "key_code": "right_arrow",
                    "modifiers": ["left_option"]
                }
            ],
            "type": "basic"
        },
        {
            "conditions": [
                {
                    "bundle_identifiers": [
                        "com\\.microsoft\\.rdc\\.osx\\.beta",
                        "com\\.microsoft\\.rdc\\.macos"
                    ],
                    "type": "frontmost_application_unless"
                },
                {
                    "identifiers": [
                        {
                            "description": "USB Keyboard",
                            "product_id": 1,
                            "vendor_id": 9610
                        }
                    ],
                    "type": "device_if"
                }
            ],
            "description": "CTRL+Tab is CTRL+Tab (Not for RDP)",
            "from": {
                "key_code": "tab",
                "modifiers": {
                    "mandatory": ["left_command"],
                    "optional": ["shift"]
                }
            },
            "to": [
                {
                    "key_code": "tab",
                    "modifiers": ["left_control"]
                }
            ],
            "type": "basic"
        },
        {
            "conditions": [
                {
                    "bundle_identifiers": [
                        "com\\.microsoft\\.rdc\\.osx\\.beta",
                        "com\\.microsoft\\.rdc\\.macos"
                    ],
                    "type": "frontmost_application_unless"
                },
                {
                    "identifiers": [
                        {
                            "description": "USB Keyboard",
                            "product_id": 1,
                            "vendor_id": 9610
                        }
                    ],
                    "type": "device_if"
                }
            ],
            "description": "Alt+Tab is option+Tab (Not for RDP)",
            "from": {
                "key_code": "tab",
                "modifiers": { "mandatory": ["left_option"] }
            },
            "to": [
                {
                    "key_code": "tab",
                    "modifiers": ["command"]
                }
            ],
            "type": "basic"
        }
    ]
}