My key bindings for keyboard shortcuts in Visual Studio Code (VSC).

keybindings.json

// Place your key bindings in this file to overwrite the defaults
[
  {
    "key": "ctrl+alt+c",
    "command": ""
  },
  {
    "key": "ctrl+alt+v",
    "command": "extension.convertSelection"
  },
  {
    "key": "ctrl+k ctrl+l",
    "command": "editor.action.transformToLowercase"
  },
  {
    "key": "ctrl+k ctrl+u",
    "command": "editor.action.transformToUppercase"
  },
  {
    "key": "ctrl+k tab",
    "command": "type",
    "args": { "text": "\t" },
    "when": "editorTextFocus"
  }
]