HTML Beautifier Online

What Is HTML Beautifier?

An HTML beautifier is a developer tool used to format unstructured or minified HTML code into a clean, readable structure. It automatically adds indentation, line breaks and hierarchy so developers can understand and edit code easily.

Why HTML Formatting Is Important

• Improves code readability
• Makes debugging easier
• Helps beginners understand markup
• Reduces development errors
• Improves long-term maintainability

Unminify HTML Code Instantly

Most websites use minified HTML to improve performance. However, minified code is difficult to read. This tool reverses minification and restores structure.

Custom Indentation Control

Choose between 2 spaces, 4 spaces or tab indentation to match your coding standards or team preferences.

Supports Modern HTML5

All HTML5 tags including semantic elements like <header>, <section>, <article> and <footer> are supported.

Download Clean HTML Files

After formatting, you can download the beautified HTML file directly to your device for reuse or editing.

Who Uses HTML Beautifiers?

• Web developers
• Students learning HTML
• SEO professionals
• Website auditors
• Frontend designers

100% Client-Side Privacy

All formatting is done inside your browser. No HTML code is uploaded or stored on any external server.

Frequently Asked Questions

Is HTML beautifier free?
Yes, unlimited usage is completely free.

Does it support large HTML files?
Yes, thousands of lines supported.

Is my code uploaded?
No. Everything works locally.

Does it support JavaScript and CSS?
This tool focuses on HTML formatting only.