HTML Beautifier and Formatter

Transform any HTML code into clean, readable format with our free online HTML beautifier and formatter tool

All code runs locally in your browser — nothing ever leaves your device
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What is HTML Formatter?
HTML Formatter is a specialized tool designed to format and beautify HTML code, including HTML5 semantic elements, accessibility features, and modern markup structures. HTML (HyperText Markup Language) is the foundation of web development, requiring consistent formatting for maintainable and professional web applications.
Our HTML formatter ensures your markup follows web standards and accessibility guidelines while maintaining consistency across your web development projects.
Key Benefits:
  • HTML5 Semantic Structure: Format modern semantic elements like header, nav, main, section, and article
  • Accessibility Compliance: Organize ARIA attributes, alt text, and accessibility features properly
  • Responsive Design Support: Structure HTML for mobile-first and responsive web design patterns
  • Form and Input Organization: Format complex forms, validation attributes, and input elements
  • SEO Optimization: Maintain proper heading hierarchy and meta tag organization
Perfect for web developers, frontend engineers, and UI/UX designers working with modern web standards, accessibility requirements, and responsive design frameworks.
HTML Formatting Options
Configure HTML formatting to match your web development standards and team preferences. Our formatter supports comprehensive options for HTML5, accessibility, and modern web development workflows.
Indentation Settings
  • Element nesting indentation (2 or 4 spaces)
  • Attribute alignment and wrapping
  • Content indentation control
  • Nested structure organization
Markup Structure Options
  • Element opening and closing tags
  • Self-closing tag formatting
  • Comment preservation and alignment
  • Whitespace and line break control
HTML-Specific Features
  • HTML5 semantic element organization
  • Form and input element structure
  • Table and list formatting
  • Media element organization
Advanced Formatting
  • Accessibility attribute organization
  • Meta tag and head section structure
  • Script and style tag formatting
  • Minification and optimization
How to Use HTML Formatter:
  1. Upload your HTML file or paste markup code directly into the editor
  2. Select your preferred formatting options (indentation, attribute wrapping, semantic structure)
  3. Click "Format" to apply HTML best practices and improve markup readability
  4. Use fullscreen mode for complex web pages and large HTML documents
  5. Copy the formatted output for deployment or integrate with web development tools
Integration Support: Works seamlessly with HTML frameworks, CSS frameworks like Bootstrap and Tailwind CSS, and development tools including VS Code, WebStorm, and popular build systems. Compatible with HTML5 standards and accessibility guidelines.