Sublime Text 3 Key Bindings

sublime_key_bindings.json

[{
	"keys": ["f12"],
	"command": "chain",
	"args": {
		"commands": [
			["reindent", {
				"single_line": false,
				"detect_indentation": false,
				"tab_size": 4,
				"translate_tabs_to_spaces": true
			}],
			["html_beautify"],
		]
	},
	"context": [{
		"key": "selector",
		"operator": "equal",
		"operand": "text.html,text.html.twig,text.twig,source.html,source.html.twig,source.twig"
	}]
}]