>Fafa Dev Tools

HTML Formatter & Beautifier

Format and beautify HTML with proper indentation. Free online HTML formatter for messy or minified HTML. Instant conversion.

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What is HTML Formatter & Beautifier?

An HTML formatter takes minified or messy HTML and reformats it with proper indentation and line breaks, making the document structure clear and easy to read. This is essential for debugging, code review, and understanding the structure of HTML generated by frameworks, minifiers, or scraped from web pages.

How to Use

  1. Paste your HTML code in the input area
  2. The formatted HTML appears instantly in the output panel
  3. Proper indentation is applied based on tag nesting level
  4. Download the result as an .html file

Examples

Format minified HTML

Input<div><h1>Title</h1><p>Paragraph</p><ul><li>A</li><li>B</li></ul></div>
Output<div> <h1>Title</h1> <p>Paragraph</p> <ul> <li>A</li> <li>B</li> </ul> </div>

Format full page

Input<html><head><title>Test</title></head><body><main><p>Hello</p></main></body></html>
Output<html> <head> <title>Test</title> </head> <body> <main> <p>Hello</p> </main> </body> </html>

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Frequently Asked Questions

Does it validate the HTML?

No. This formatter reformats HTML text structure but does not validate against the HTML specification. Unclosed or malformed tags may produce unexpected indentation.

Does it handle inline elements correctly?

The formatter indents all tags based on nesting level. Inline elements like <span>, <a>, <strong> are indented the same way as block elements. Content mixed with tags is preserved.

What indentation does it use?

2-space indentation, which is the most common standard for HTML. The formatter is zero-dependency and uses regex-based tag splitting for fast processing.