Karabiner keyboard config from Macbook Japanese keyboard to US

karabiner.json

{
  "global": {
    "check_for_updates_on_startup": false,
    "show_in_menu_bar": false,
    "show_profile_name_in_menu_bar": false
  },
  "profiles": [
    {
      "complex_modifications": {
        "parameters": {
          "basic.simultaneous_threshold_milliseconds": 50,
          "basic.to_delayed_action_delay_milliseconds": 500,
          "basic.to_if_alone_timeout_milliseconds": 1000,
          "basic.to_if_held_down_threshold_milliseconds": 500
        },
        "rules": [
          {
            "description": "Remap Japanese Keyboard to US",
            "manipulators": [
              {
                "from": {
                  "key_code": "international1"
                },
                "to": [
                  {
                    "key_code": "backslash"
                  }
                ],
                "type": "basic"
              }
            ]
          }
        ]
      },
      "devices": [
        {
          "disable_built_in_keyboard_if_exists": false,
          "fn_function_keys": [],
          "identifiers": {
            "is_keyboard": true,
            "is_pointing_device": false,
            "product_id": 630,
            "vendor_id": 1452
          },
          "ignore": false,
          "manipulate_caps_lock_led": true,
          "simple_modifications": [
            {
              "from": {
                "key_code": "lang2"
              },
              "to": {
                "key_code": "left_command"
              }
            },
            {
              "from": {
                "key_code": "left_command"
              },
              "to": {
                "key_code": "left_option"
              }
            },
            {
              "from": {
                "key_code": "left_control"
              },
              "to": {
                "key_code": "grave_accent_and_tilde"
              }
            },
            {
              "from": {
                "key_code": "left_option"
              },
              "to": {
                "key_code": "left_control"
              }
            }
          ]
        },
        {
          "disable_built_in_keyboard_if_exists": false,
          "fn_function_keys": [],
          "identifiers": {
            "is_keyboard": true,
            "is_pointing_device": false,
            "product_id": 569,
            "vendor_id": 1452
          },
          "ignore": true,
          "manipulate_caps_lock_led": true,
          "simple_modifications": []
        },
        {
          "disable_built_in_keyboard_if_exists": true,
          "fn_function_keys": [],
          "identifiers": {
            "is_keyboard": true,
            "is_pointing_device": false,
            "product_id": 615,
            "vendor_id": 76
          },
          "ignore": true,
          "manipulate_caps_lock_led": true,
          "simple_modifications": []
        },
        {
          "disable_built_in_keyboard_if_exists": false,
          "fn_function_keys": [],
          "identifiers": {
            "is_keyboard": false,
            "is_pointing_device": true,
            "product_id": 613,
            "vendor_id": 76
          },
          "ignore": true,
          "manipulate_caps_lock_led": false,
          "simple_modifications": []
        },
        {
          "disable_built_in_keyboard_if_exists": false,
          "fn_function_keys": [],
          "identifiers": {
            "is_keyboard": true,
            "is_pointing_device": false,
            "product_id": 16465,
            "vendor_id": 1155
          },
          "ignore": true,
          "manipulate_caps_lock_led": false,
          "simple_modifications": []
        },
        {
          "disable_built_in_keyboard_if_exists": false,
          "fn_function_keys": [],
          "identifiers": {
            "is_keyboard": true,
            "is_pointing_device": true,
            "product_id": 16465,
            "vendor_id": 1155
          },
          "ignore": true,
          "manipulate_caps_lock_led": false,
          "simple_modifications": []
        }
      ],
      "fn_function_keys": [
        {
          "from": {
            "key_code": "f1"
          },
          "to": {
            "consumer_key_code": "display_brightness_decrement"
          }
        },
        {
          "from": {
            "key_code": "f2"
          },
          "to": {
            "consumer_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": {
            "consumer_key_code": "rewind"
          }
        },
        {
          "from": {
            "key_code": "f8"
          },
          "to": {
            "consumer_key_code": "play_or_pause"
          }
        },
        {
          "from": {
            "key_code": "f9"
          },
          "to": {
            "consumer_key_code": "fastforward"
          }
        },
        {
          "from": {
            "key_code": "f10"
          },
          "to": {
            "consumer_key_code": "mute"
          }
        },
        {
          "from": {
            "key_code": "f11"
          },
          "to": {
            "consumer_key_code": "volume_decrement"
          }
        },
        {
          "from": {
            "key_code": "f12"
          },
          "to": {
            "consumer_key_code": "volume_increment"
          }
        }
      ],
      "name": "Anti Japanese Keyboard",
      "selected": true,
      "simple_modifications": [],
      "virtual_hid_keyboard": {
        "country_code": 0
      }
    }
  ]
}