💻 Developer Tools

HTML Formatter

Beautify or minify HTML code with proper indentation and size comparison.

The HTML Formatter is a completely free online tool that requires no sign-up or account. Beautify or minify HTML code with proper indentation and size comparison. Instant results in your browser — no downloads, no limits.

Input HTML
Output 

    

  


  
  






';
    document.getElementById('hf-input').value = example;
    hfBeautify();
  };

  /* ── Keyboard shortcut: Ctrl/Cmd+Enter to beautify ──── */
  document.addEventListener('DOMContentLoaded', function () {
    var inputEl = document.getElementById('hf-input');
    if (inputEl) {
      inputEl.addEventListener('keydown', function (e) {
        if (e.key === 'Enter' && (e.ctrlKey || e.metaKey)) {
          e.preventDefault();
          hfBeautify();
        }
      });
    }
  });

})();

    

  


  
  
    

    
What is HTML Formatter?
The HTML Formatter is a free online tool that beautifies and minifies HTML markup by correcting indentation, normalizing attribute formatting, and organizing nested elements for maximum readability. Whether you've received a wall of minified HTML from a build tool, copied source from a website, or generated markup programmatically, this tool cleans it up instantly so it's easy to read, edit, and debug in any text editor.
How to Use the HTML Formatter
  1. Paste your raw, minified, or poorly indented HTML into the input editor.
  2. Click Format to apply consistent indentation and clean up the markup.
  3. Review the formatted output to verify the structure looks correct.
  4. Use the Minify option to compress HTML for production deployment.
  5. Copy the result to your clipboard and paste it into your project.
  

  
  
    

    
Frequently Asked Questions

        

      Why should I format my HTML?
      
Well-formatted HTML is easier to read, debug, and maintain. Consistent indentation makes the nesting structure of elements immediately clear to any developer working on the code.

    

        

      Will formatting change how my HTML renders in the browser?
      
In most cases, no. Browsers largely ignore whitespace between block elements, so formatted and minified HTML render identically.

    

        

      Does the formatter fix broken HTML?
      
The formatter attempts to clean up indentation and structure but it does not repair genuinely invalid HTML such as unclosed tags. Use a dedicated HTML validator for error checking.

    

        

      Can I use this to minify HTML for production?
      
Yes, the minify option removes all unnecessary whitespace and comments, reducing file size and improving page load performance.

    

      

  
  
    

    
    

            
        
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