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HTML Formatter

Instantly format and beautify HTML code with our free online tool. Features customizable indentation, minification, and syntax validation. Perfect for cleaning and organizing HTML documents.

100% FreeInstant FormattingNo RegistrationPrivacy FocusedReal-time

Instantly format and beautify HTML code with our free online tool. Features customizable indentation, minification, and syntax validation. Perfect for cleaning and organizing HTML documents.

All processing happens in your browser - no data is sent to any server. Format unlimited files with confidence, knowing your code remains private and secure.

99%
Formatting Accuracy
2M+
HTML Files Formatted
5+
Indentation Options
24/7
Availability

Key Features

Customizable Indentation

Choose between 2, 4, or 8 spaces for perfect code alignment.

HTML Minification

Reduce file size by removing unnecessary whitespace and comments.

Syntax Validation

Catch and highlight HTML syntax errors while formatting.

One-Click Copy

Copy formatted HTML to clipboard with a single click.

Examples

Basic HTML Formatting:

Simple HTML formatting with proper indentation and spacing.

Input:

<!DOCTYPE html><html><head><title>Sample</title></head><body><div class="container"><h1>Hello World</h1><p>This is a sample.</p></div></body></html>

Output:

<!DOCTYPE html>
<html>
  <head>
    <title>Sample</title>
  </head>
  <body>
    <div class="container">
      <h1>Hello World</h1>
      <p>This is a sample.</p>
    </div>
  </body>
</html>

Complex HTML with Forms and Attributes:

Formatting complex HTML with forms, attributes, and ARIA labels.

Input:

<form action="/submit" method="post"><div class="form-group"><label for="name">Name:</label><input type="text" id="name" name="name" required aria-required="true"/></div><div class="form-group"><label for="email">Email:</label><input type="email" id="email" name="email" required aria-required="true"/></div><button type="submit">Submit</button></form>

Output:

<form action="/submit" method="post">
  <div class="form-group">
    <label for="name">Name:</label>
    <input
      type="text"
      id="name"
      name="name"
      required
      aria-required="true"
    />
  </div>
  <div class="form-group">
    <label for="email">Email:</label>
    <input
      type="email"
      id="email"
      name="email"
      required
      aria-required="true"
    />
  </div>
  <button type="submit">Submit</button>
</form>

How to Use

1

Paste HTML Code

Copy your HTML code and paste it into the input area, or use the Load Sample button to try with example code.

2

Choose Formatting Options

Select your preferred indentation size from the dropdown menu (2, 4, or 8 spaces).

3

Format or Minify

Click "Format HTML" for beautified code or "Minify HTML" for compressed code without whitespace.

4

Copy Result

Review the formatted HTML and use the "Copy to Clipboard" button to copy the result.

Frequently Asked Questions

What does the HTML Formatter do?

Our HTML Formatter beautifies and organizes HTML code by adding proper indentation, consistent spacing, and line breaks. It also offers minification to reduce file size and validates syntax to catch potential errors.

Is my HTML code secure when using the formatter?

Yes! All formatting happens directly in your browser. We never store or transmit your HTML code to any server, ensuring 100% privacy and security.

Can I customize the formatting style?

Yes! You can choose between different indentation sizes (2, 4, or 8 spaces) to match your preferred coding style. The formatter also maintains consistent spacing and organization.

Does it support all HTML features?

Yes, our formatter supports all HTML5 features including semantic elements, forms, multimedia, and ARIA attributes. It handles both simple and complex HTML documents effectively.

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