JavaScript Beautifier

INPUT 0 characters

1

BEAUTIFIED OUTPUT 0 characters

Beautify Options

Formatting

2 Spaces 4 Spaces (Recommended) 8 Spaces Tabs

Advanced Options

Preserve Newlines Space in Empty Parens JSLint Happy Keep Array Indentation

Additional Features

Wrap Line Length (80) Brace Style (collapse) Unescape Strings

How to Use

1. Paste JavaScript: Enter or paste your minified JavaScript code into the input editor.

2. Select Options: Choose formatting options from the control panel.

3. Beautify Code: Click "Beautify Code" to format your code.

4. Copy Output: Use the copy button to copy the beautified code.

5. Keyboard Shortcut: Press Ctrl+Enter (Cmd+Enter on Mac) to beautify.

• Custom Indentation: Choose between 2, 4, 8 spaces or tabs.

• Preserve Newlines: Maintain existing newlines in your code.

• Line Wrapping: Automatically wrap long lines at 80 characters.

• Brace Style: Control how braces are formatted in your code.

• Error Handling: Clear error messages for invalid JavaScript.

Q: Does this tool modify my original code?
A: No, it works entirely in your browser and doesn't upload your code anywhere.

Q: Can it handle large JavaScript files?
A: Yes, but very large files may slow down processing in the browser.

Q: What if my code has syntax errors?
A: The tool will show an error message with details about the syntax problem.

Q: Is my code secure with this tool?
A: Yes, all processing happens locally in your browser - your code never leaves your device.

Q: Why is 4 spaces the recommended indentation?
A: 4 spaces is a common JavaScript standard that provides good readability without excessive horizontal scrolling.