HTML Formatter & Beautifier

Format, beautify, and validate your HTML code with advanced options and real-time preview

Input HTML Code

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Formatting Options

Indentation

Indent Size

Wrap long attributes Sort attributes alphabetically Remove comments Remove empty lines Fix tag nesting issues Lowercase tag names Ensure quoted attributes

Line Wrap

Formatted HTML Output

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HTML Best Practices

Use semantic HTML5 elements (header, nav, main, footer)

Always include alt attributes for images

Maintain consistent indentation throughout

Close all tags properly and nest them correctly

Use lowercase for HTML tags and attributes

Quote all attribute values for consistency