uglify. / (ˈʌɡlɪˌfaɪ) / verb -fies, -fying or -fied. to make or become ugly or more ugly.

What does Uglify do?

Uglifying is transforming the code into an "unreadable" form by changing variable names, function names, etc, to hide the original content. Once it is used there's no way to reverse it back. Some libraries like UglifyJS does minification when used, by removing unnecessary parts.

What do you mean by the word simpleton '?

: a person lacking in common sense.