JSON support

[iki]

would be helpful.

Thanks for this tool anyway.

[iki]

Maybe upgrading to the latest js-beautify would solve that.
See also beautifier/js-beautify#181

[Leftium]

Actually, node-beautifier does support JSON files; it just doesn't recognize them (as JavaScript files) due to the file extension.

workaround: change the extension of your JSON file to .js