Beautify HTML (including Handlebars), CSS (including Sass and Less), JavaScript, and much more in Atom.

Atom Package: https://atom.io/packages/atom-beautify

apm install atom-beautify

Or Settings/Preferences ➔ Packages ➔ Search for atom-beautify

• JavaScript and JSON
• HTML, including
  • Handlebars
  • Mustache
  • Embedded Ruby (ERB)
    • Requires htmlbeautifier
  • XML
  • SVG
  • Marko
    • Requires language-marko
• CSS, including
  • Sass
  • Less
• SQL
  • Requires python-sqlparse
• Markdown
• Perl
  • Requires perltidy
• PHP
  • Requires php-cs-fixer to be already installed.
• Python
  • Requires autopep8 or YAPF to be already installed.
  • Beautifies to PEP 8.
• Ruby
  • Requires Ruby Beautify
• CoffeeScript
• Golang
• Java
  • Requires Uncrustify
• C
  • Requires Uncrustify
• C++
  • Requires Uncrustify
• C#
  • Requires Uncrustify
• Objective-C
  • Requires Uncrustify
• D
  • Requires Uncrustify
• Fortran
  • Requires GNU Emacs
• Pawn
  • Requires Uncrustify
• Vala
  • Requires Uncrustify
• TypeScript
• Haskell
  • Requires stylish-haskell

Open the Command Palette, and type Beautify.

It will only beautify selected text if a selection is found -- if not, the whole file will be beautified.

You can also type ctrl-alt-b as a shortcut or click Packages > Beautify in the menu.

See Keymaps In-Depth for more details.

For example:

'.editor':
  'ctrl-alt-b': 'atom-beautify:beautify-editor'

Edit your .jsbeautifyrc file in any of the following locations:

• Atom Package Settings
  Atom ➔ Preferences ➔ Search for atom-beautify
• Same directory as current file
• Project root
  atom-beautify will recursively look up from the current file's directory to find .jsbeautifyrc.
• Your user's home directory

Note: Comments are supported in .jsbeautifyrc thanks to strip-json-comments.

See examples of both ways inside examples/

See all supported options in the documentation at docs/options.md.

See examples/simple-jsbeautifyrc/.jsbeautifyrc.

{
  "indent_size": 2,
  "indent_char": " ",
  "other": " ",
  "indent_level": 0,
  "indent_with_tabs": false,
  "preserve_newlines": true,
  "max_preserve_newlines": 2,
  "jslint_happy": true,
  "indent_handlebars": true
}

See examples/nested-jsbeautifyrc/.jsbeautifyrc.

{
  "html": {
    "brace_style": "collapse",
    "indent_char": " ",
    "indent_scripts": "normal",
    "indent_size": 6,
    "max_preserve_newlines": 1,
    "preserve_newlines": true,
    "unformatted": ["a", "sub", "sup", "b", "i", "u"],
    "wrap_line_length": 0
  },
  "css": {
    "indent_char": " ",
    "indent_size": 4
  },
  "js": {
    "indent_size": 2,
    "indent_char": " ",
    "indent_level": 0,
    "indent_with_tabs": false,
    "preserve_newlines": true,
    "max_preserve_newlines": 2,
    "jslint_happy": true
  },
  "sql": {
    "indent_size": 4,
    "indent_char": " ",
    "indent_level": 0,
    "indent_with_tabs": false
  }
}

See all contributors on GitHub.

Please update the CHANGELOG.md, add yourself as a contributor to the package.json, and submit a Pull Request on GitHub.

MIT © Glavin Wiechert