Free Online HTML Formatter

Format, beautify, and validate HTML code instantly. No registration required. Perfect for developers and web designers.

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How Our HTML Formatter Works

1. Paste HTML Code

Simply paste your HTML code into the input field. Our free HTML formatter works with any HTML content including complex nested structures.

2. Choose Formatting Options

Select your preferred indentation size and line wrapping options. Customize the formatting to match your coding style and project requirements.

3. Format & Validate

Get beautifully formatted HTML code with proper indentation and structure. Validate your HTML for errors and best practices.

Working Principle of Our HTML Formatter

Advanced HTML Parsing

Our free online HTML formatter uses sophisticated parsing algorithms to analyze HTML structure and apply proper formatting. It handles nested elements, attributes, and complex document structures with precision.

Intelligent Indentation

The HTML beautifier applies consistent indentation based on element hierarchy, making code more readable and maintainable. It preserves the logical structure while improving visual presentation.

Code Validation

Our HTML validator checks for common errors, missing closing tags, and structural issues. It provides helpful feedback to improve code quality and ensure proper HTML standards compliance.

Professional Code Formatting

Advanced algorithms for clean, readable HTML code formatting

Why Choose Our Free HTML Formatter?

Instant Formatting

Format HTML code in real-time with instant results

Customizable Options

Choose indentation size and line wrapping preferences

Built-in Validator

Validate HTML code for errors and best practices

Mobile Friendly

Works perfectly on all devices and screen sizes

Frequently Asked Questions

Yes! Our free online HTML formatter is completely free to use. There are no hidden fees, registration requirements, or usage limits. You can format as much HTML code as you need without any cost.

Our HTML beautifier offers customizable indentation (2, 4, 8 spaces or tabs), line wrapping options (80, 100, 120 characters or no wrap), and automatic tag formatting with proper nesting structure.

Yes! Our HTML validator checks for common errors like missing closing tags, unclosed elements, and structural issues. It provides helpful feedback to improve your HTML code quality.

Our HTML formatter can handle reasonably large HTML files. For very large files, we recommend formatting in smaller sections to ensure optimal performance and user experience.

Perfect For Various HTML Development Needs

Web Development

Format HTML code for better readability and maintainability. Essential for professional web development and code review processes.

Learning & Education

Help students and beginners understand HTML structure with properly formatted code. Great for educational purposes and learning best practices.

Code Maintenance

Clean up messy HTML code, fix formatting issues, and ensure consistent code style across projects and team members.