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HTML Minifier & Beautifier

Compress and optimize your HTML code for better performance

Input HTML

0 characters

Minified Output

0 characters

Minification Options

About HTML Minifier & Beautifier

HTML Minifier & Beautifier is a powerful browser-based tool that helps you reduce the size of your HTML files by removing unnecessary characters, whitespace, and comments while preserving the functionality of your code. This results in faster page load times and improved website performance. All processing happens locally in your browser - no data is sent to any server.

Key Features

  • Minification: Compress HTML by removing whitespace, comments, and redundant attributes
  • Beautification: Format HTML with proper indentation for better readability
  • CSS/JS Minification: Automatically minify embedded CSS and JavaScript
  • Preset Configurations: Quick access to safe, aggressive, and conservative settings
  • Real-time Processing: See results instantly as you type
  • Statistics: Track file size savings and processing performance

Minification Mode

Minification reduces file size by removing unnecessary characters while maintaining functionality. This is ideal for production environments where performance is critical.

What Gets Removed/Optimized

  • Whitespace: Spaces, tabs, and line breaks between tags
  • Comments: HTML comments that aren't needed in production
  • Empty Attributes: Attributes with no values
  • Redundant Attributes: Default type attributes on scripts and styles
  • Inline CSS/JS: Compressed embedded styles and scripts

Minification Example

Before (Original HTML):

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>My Page</title>
    <style type="text/css">
        body { margin: 0; padding: 20px; }
    </style>
</head>
<body>
    <!-- Main content -->
    <div class="container">
        <h1>Welcome</h1>
        <p>This is a sample page.</p>
    </div>
</body>
</html>

After (Minified HTML):

<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>My Page</title><style>body{margin:0;padding:20px}</style></head><body><div class="container"><h1>Welcome</h1><p>This is a sample page.</p></div></body></html>

Result: File size reduced by approximately 40-60% depending on the original formatting.

Minification Presets

  • Safe (Recommended): Removes whitespace and comments, keeps structure intact. Best for production.
  • Aggressive: Maximum compression including attribute quote removal and tag optimization. Test thoroughly.
  • Conservative: Minimal changes, only collapses whitespace. Good for debugging.

When to Use Minification

  • Before deploying websites to production
  • To reduce bandwidth usage and improve load times
  • For optimizing email templates
  • When working with large HTML files
  • To improve SEO through faster page loads

Beautification Mode

Beautification formats HTML with proper indentation and line breaks, making it easier to read and maintain. This is ideal for development, debugging, and code reviews.

What Gets Added/Formatted

  • Indentation: Consistent spacing (2-8 spaces or tabs)
  • Line Breaks: Each tag on its own line for clarity
  • Proper Nesting: Visual hierarchy of HTML structure
  • Attribute Alignment: Options for wrapping long attribute lists

Beautification Example

Before (Minified/Messy HTML):

<!DOCTYPE html><html><head><title>Page</title></head><body><div class="header"><h1>Title</h1><nav><a href="/">Home</a><a href="/about">About</a></nav></div><main><p>Content here</p></main></body></html>

After (Beautified HTML):

<!DOCTYPE html>
<html>
  <head>
    <title>Page</title>
  </head>
  <body>
    <div class="header">
      <h1>Title</h1>
      <nav>
        <a href="/">Home</a>
        <a href="/about">About</a>
      </nav>
    </div>
    <main>
      <p>Content here</p>
    </main>
  </body>
</html>

Result: Clean, readable code with proper structure and indentation.

Beautification Options

  • Indent Size: Number of spaces per indentation level (typically 2 or 4)
  • Indent with Tabs: Use tab characters instead of spaces
  • Max Preserve Newlines: Limit consecutive blank lines
  • Wrap Line Length: Break long lines at specified character count
  • Wrap Attributes: Control how element attributes are formatted

When to Use Beautification

  • When receiving minified code from external sources
  • For debugging production HTML
  • To improve code readability during development
  • Before code reviews or team collaboration
  • When learning HTML structure from examples

Best Practices

  • Development: Use beautified HTML for easier debugging and maintenance
  • Production: Always minify HTML to improve performance
  • Version Control: Keep original formatted files in your repository
  • Testing: Test minified HTML thoroughly before deployment
  • Build Process: Automate minification as part of your build pipeline
  • Backups: Always keep a backup of your original HTML files

Understanding the Options

Minification Options

  • Collapse Whitespace: Removes unnecessary spaces and line breaks
  • Remove Comments: Strips HTML comments from the code
  • Remove Empty Attributes: Removes attributes with empty values
  • Minify CSS/JS: Compresses embedded styles and scripts
  • Remove Attribute Quotes: Removes quotes around attribute values when safe
  • Collapse Boolean Attributes: Converts checked="checked" to just checked
  • Sort Attributes: Alphabetically sorts element attributes
  • Conservative Collapse: More careful whitespace removal

Beautification Options

  • Indent Size: Number of spaces for each indentation level
  • Indent with Tabs: Use tabs instead of spaces
  • End with Newline: Add newline at end of file
  • Preserve Newlines: Keep existing line breaks where appropriate
  • Max Preserve Newlines: Limit consecutive blank lines
  • Wrap Attributes: Control how long attribute lists are formatted
  • Indent Inner HTML: Indent content inside <head> and <body>