JavaScript Beautifier

Javascript beautifier tool transforms ugly, minified, or obfuscated javascript into clean code. It adds proper indentation, newlines, and spaces to make the code clean. There are numerous options in the settings button to provide the beautifier with your particular beautifying preferences.

Fill in the form above with your dirty, minified, or obfuscated Javascript (JS) to have it cleaned up and made lovely. The above editor also has useful line numbers and syntax highlighting. There are numerous options for customizing the beautifier to your specific formatting preferences.


When To Use JavaScript Beautifier?

When creating Javascript (JS), it is common for indentation, spacing, and another formatting to become chaotic. It is also usual for numerous developers with different formatting strategies to work on a single project. This utility is useful for making a file's formatting uniform. Javascript (JS) is also frequently minified or obfuscated. You can use this tool to make the code more aesthetically pleasing and readable, making it easier to modify.


How To Use JavaScript Beautifier Tool?

The use of JavaScript Beautifier tool is quite simple:

  1. Take the code from your source JS file and paste it.
  2. Copy it and paste it into the JS Beautifier tool input field.
  3. Enjoy the formatted JS code by clicking the 'Beautify' button.

Example: In the example, we will show you how to change your ugly JS code into well-structured code.

Input:

function toCelsius(fahrenheit) {return (5 / 9) * (fahrenheit - 32);} document.getElementById("demo").innerHTML = toCelsius;

Output:

function toCelsius(fahrenheit) {
    return (5 / 9) * (fahrenheit - 32);
}
document.getElementById("demo").innerHTML = toCelsius;