JavaScript Beautifier

Format and beautify your JavaScript code effortlessly. Paste your minified or messy JavaScript and get clean, properly indented code.

Enter Your JavaScript Code
Formatted Output

About JavaScript Beautifier

A JavaScript Beautifier is a tool that formats and indents minified or poorly structured JavaScript code to make it more readable and easier to maintain.

Minified JavaScript files are compressed to reduce file size and improve loading times. However, when you need to debug, understand, or modify such code, beautification is essential.

Our JavaScript Beautifier supports various formatting options including customizable indentation size, preserving line breaks, and different brace styles.

Why use a JavaScript Beautifier?

  • Debugging: Make code easier to read and debug
  • Code Reviews: Present cleaner code for team reviews
  • Learning: Understand how minified code works
  • Version Control: Generate cleaner diffs when committing changes

Frequently Asked Questions (FAQ)

What is JavaScript beautification?

JavaScript beautification is the process of transforming minified or obfuscated JavaScript code into a well-formatted, readable version with proper indentation, line breaks, and spacing.

Does beautification change my code logic?

No. Beautification only changes the formatting and whitespace of your code. The actual JavaScript logic, variables, and functions remain completely unchanged.

What indentation options are available?

You can choose between 2, 4, or 8 space indentation. The beautifier uses spaces by default, making your code compatible across all editors and operating systems.

Can I beautify code with syntax errors?

It is recommended to beautify only valid JavaScript code. If your code has syntax errors, the beautifier may not be able to process it correctly.

Is my code sent to a server?

No. All beautification happens directly in your browser using JavaScript. Your code is never transmitted to any server.

What types of JavaScript can I beautify?

You can beautify any valid JavaScript code, including ES6+, frameworks like React, Angular or Vue components, and minified scripts from any source.