HTML Formatter

Format and beautify HTML code with proper indentation, or minify it for production. Validates syntax and highlights errors.

Embed this tool
HTML structure looks valid
141 chars
<div class="container">
  <h1>
    Hello World
  </h1>
  <p>
    This is a
    <strong>
      test
    </strong>
    paragraph.
  </p>
</div>

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HTML Formatting Tips

Clean, well-formatted HTML is easier to read, debug, and maintain. Consistent indentation helps you spot missing closing tags and nested structure issues at a glance.

Best Practices

  • Use 2-space indentation for readability
  • Always close tags, even optional ones like <p>
  • Use lowercase tag names and double quotes for attributes
  • Minify HTML before deploying to production for faster loads
  • Validate your HTML with the W3C validator for strict compliance

Frequently Asked Questions

No, it only adds or removes whitespace. It does not repair missing closing tags or invalid attributes. Use the validation indicator to spot basic structural issues like unclosed tags.

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