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

Default (OSX).sublime-keymap

[
    {
        "keys": ["super+shift+a"],
        "command": "expand_selection",
        "args": {"to": "tag"} },
    {
        "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"
        }
    },
    {
        "keys": ["ctrl+s"],
        "command": "toggle_side_bar"
    },
]

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" }
]