BBuildQuill
Developer Tools

JavaScript Beautifier

Format and beautify JavaScript code with proper indentation.

How to use the JavaScript Beautifier

1

Paste JavaScript

Copy and paste your JavaScript code into the input field.

2

Beautify

Click Beautify to format the code with proper indentation.

3

Copy result

Click Copy to save the formatted code to your clipboard.

About the JavaScript Beautifier Tool

Format and beautify JavaScript code with proper indentation. This free online javascript beautifier from BuildQuill runs entirely in your browser. No data is sent to any server, keeping your information private. No signup or installation needed.

  • Free to use with no account required
  • Works in all modern browsers
  • All processing happens locally in your browser
  • Part of BuildQuill's developer tools collection

Frequently Asked Questions

What does JavaScript beautifier do?
JavaScript beautifier formats JS code with proper indentation, line breaks, and spacing, making it easier to read and debug.
Can it fix syntax errors?
No, it only formats valid JavaScript. Syntax errors need to be fixed manually.

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