Sublime Text macros for converting to and from 2 and 4 space indentation

Default (OSX).sublime-keymap

[
  {
    "keys": ["ctrl+2"],
    "command": "run_macro_file",
    "args": {
      "file": "Packages/User/to-2.sublime-macro"
    }
  },
  {
    "keys": ["ctrl+4"],
    "command": "run_macro_file",
    "args": {
      "file": "Packages/User/to-4.sublime-macro"
    }
  }
]

to-2.sublime-macro

[
  { "args": { "set_translate_tabs": true }, "command": "unexpand_tabs" },
  { "args": { "setting": "tab_size", "value": 2 }, "command": "set_setting" },
  { "args": { "set_translate_tabs": true }, "command": "expand_tabs" }
]

to-4.sublime-macro

[
  { "args": { "set_translate_tabs": true }, "command": "unexpand_tabs" },
  { "args": { "setting": "tab_size", "value": 4 }, "command": "set_setting" },
  { "args": { "set_translate_tabs": true }, "command": "expand_tabs" }
]