HTML Beautifier
HTML Beautifier — Format Minified HTML for Readability
The HTML Beautifier is a free online tool that takes minified, compressed, or messy HTML and reformats it with proper indentation, line breaks, and consistent style. Whether you are debugging a web page, learning from open-source templates, auditing a third-party widget, or reformatting code generated by a CMS or page builder, beautification makes the structure of your HTML instantly visible.
Why Beautify HTML?
Production HTML is often minified to reduce file size and improve page load speed. The output is a wall of tightly packed tags with no whitespace, almost impossible to read by eye. When you need to understand the markup structure — to fix a layout issue, accessibility problem, SEO error, or to learn from someone else's design — beautification adds back the line breaks and indentation that reveal nesting, sections, and component boundaries. Combined with code highlighting, it turns opaque markup into readable source.
How to Use the HTML Beautifier
Paste your minified HTML into the input box, choose your preferred indentation style (2 spaces, 4 spaces, or tabs), and click Beautify. The tool parses the HTML, preserves comments and attribute order, formats nested tags with proper indentation, and returns clean source. Copy the result to your clipboard with one click. The tool handles HTML5, embedded SVG, inline CSS, and inline JavaScript blocks without breaking them.
Common Use Cases
Developers debug production page templates. SEO specialists audit markup for proper semantic structure. Designers extract reusable components from inspirational sites. Accessibility auditors verify proper ARIA usage. The tool is free, fast, mobile-friendly, runs entirely in your browser, and requires no signup — your HTML stays private.