Code Beautifier Online
Format and beautify HTML, CSS, JavaScript, and JSON code with our free online code beautifier. This powerful tool automatically adds proper indentation, line breaks, and spacing to make your code more readable and maintainable. Features include syntax highlighting, minification options, and error detection. Perfect for developers who need to clean up minified code, standardize formatting, or prepare code for documentation. All processing happens locally in your browser for privacy and security.
How to Use the Code Beautifier
- Select Language: Choose the programming language of your code
- Paste Code: Enter your minified or unformatted code in the input area
- Configure Options: Set indentation size and line length preferences
- Beautify or Minify: Click to format code beautifully or compress it
- Copy or Download: Save your formatted code or copy it to clipboard
Why Use This Code Beautifier?
🎨 Multi-Language Support
Format HTML, CSS, JavaScript, and JSON with language-specific beautification rules.
⚙️ Customizable Options
Control indentation, line length, and formatting style to match your coding standards.
🔄 Beautify & Minify
Both beautify code for readability and minify for production deployment.
📁 File Support
Load code from files and download formatted results with proper file extensions.
Supported Languages
HTML
Format HTML documents with proper tag indentation, attribute alignment, and structure optimization.
CSS
Beautify CSS with consistent property ordering, selector formatting, and media query organization.
JavaScript
Format JavaScript code with proper function spacing, variable declarations, and control structure indentation.
JSON
Pretty-print JSON data with proper object and array formatting, making it human-readable.
Frequently Asked Questions
What's the difference between beautifying and minifying?
Beautifying adds formatting for readability during development, while minifying removes whitespace and formatting for smaller file sizes in production.
Does this tool validate code syntax?
The beautifier will detect and report basic syntax errors, but it's primarily focused on formatting rather than comprehensive validation.
Can I customize the formatting style?
Yes! You can adjust indentation size, maximum line length, and other formatting options to match your preferred coding style.