HTML Formatter / Beautifier Tool

Indentation Size:

Indentation Character:

Preserve Blank Lines

Wrap Attributes

Input HTML

<!DOCTYPE html><html><head><title>Test Page</title><style>body{font-family:Arial,sans-serif;margin:20px;background-color:#f5f5f5;}.container{max-width:800px;margin:0 auto;padding:20px;background-color:white;border-radius:8px;box-shadow:0 2px 10px rgba(0,0,0,0.1);}h1{color:#2c3e50;text-align:center;}.highlight{background-color:#fff3cd;padding:10px;border-left:4px solid #ffc107;margin:15px 0;}button{background-color:#3498db;color:white;border:none;padding:10px 15px;border-radius:4px;cursor:pointer;}button:hover{background-color:#2980b9;}</style></head><body><div class="container"><h1>Welcome to HTML Formatter</h1><p>This is a test page with unformatted HTML code.</p><div class="highlight"><strong>Note:</strong> This tool will format this messy HTML into clean, readable code.</div><p>Try pasting your own HTML code and click the "Format HTML" button.</p><button id="demo-button">Click Me</button></div><script>document.addEventListener('DOMContentLoaded',function(){const demoButton=document.getElementById('demo-button');demoButton.addEventListener('click',function(){alert('Button clicked! This is a demonstration.');});});</script></body></html>

Formatted HTML

About HTML Formatter / Beautifier Tool

Our HTML Formatter / Beautifier Tool is an essential utility for web developers, designers, and content creators who need to clean up and organize messy HTML code. This powerful tool instantly transforms minified or unformatted HTML into clean, readable code with proper indentation and line breaks. Whether you're working with legacy code, debugging HTML issues, or preparing code for presentation, our tool streamlines your workflow with its intuitive interface and customizable formatting options.

As a comprehensive HTML formatting solution, it supports all HTML5 elements and attributes, making it perfect for organizing everything from simple web pages to complex web applications. This free formatter is particularly valuable for front-end developers working with third-party code, web designers cleaning up CMS-generated content, and educators demonstrating proper HTML structure. The tool works entirely in your browser, requires no registration, and provides a seamless experience for both beginners learning HTML best practices and experienced developers maintaining large codebases. With our HTML formatter, you can quickly transform messy code into well-structured, maintainable HTML that follows industry standards.

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Frequently Asked Questions

What types of HTML can this tool format?

Our HTML Formatter can handle any valid HTML code, including HTML5 documents, XHTML, and even HTML with embedded CSS and JavaScript. It works with everything from simple web pages to complex web applications with nested elements and attributes.

Does this tool change the functionality of my HTML?

No, our HTML Formatter only changes the visual structure of your code without altering its functionality. It preserves all HTML elements, attributes, and content while simply improving readability through proper indentation and formatting.

Can I customize the formatting options?

Yes, our tool offers several customization options including indentation size (2, 4, or 8 spaces), choice between spaces or tabs for indentation, and options to preserve blank lines and wrap attributes for better readability.

Is there a limit to the size of HTML I can format?

Our tool can handle HTML files of various sizes, from small snippets to large documents. While extremely large files might take slightly longer to process, there are no strict limitations on the size of HTML you can format using our free tool.

Is my HTML data secure when using this tool?

Yes, all processing happens locally in your browser. We don't store or transmit your HTML data to any servers, ensuring complete privacy and security. Your code never leaves your device, making it safe to use with sensitive information.