🧹 HTML Formatter, Validator & Beautifier
Clean, format, and validate your HTML code instantly with a single click.

Format with Ease

This tool helps you clean messy HTML, fix indentation, validate markup, and beautify your code for improved readability. Ideal for developers, designers, students, or anyone working with HTML pages.

✔️ Paste or upload your HTML code
⚡ Get clean, well-structured, fully formatted output
🔍 Validate syntax and highlight common markup issues
📁 Copy or download the beautified HTML
HTML Formatting Icon

🧩 HTML Formatter & Validator

Paste your HTML to format it into readable code and validate for common issues.

Why Use an HTML Formatter & Validator?

Messy or improperly structured HTML can cause rendering issues, harder debugging, and inconsistent layouts. Formatting your code not only improves readability but also helps catch missing tags, indentation errors, and invalid markup. Whether you’re preparing a project for production, collaborating with others, or just want clean and professional-looking HTML, this tool streamlines the process. It’s perfect for beginners learning HTML or experienced developers maintaining large codebases.


Features of Utilixir’s HTML Formatter & Validator

Utilixir’s HTML Formatter, Validator & Beautifier is built for accuracy and speed. It reformats your HTML code using standardized indentation, fixes structural issues, and highlights parts needing attention. The tool supports full-page HTML, snippets, inline scripts, and multi-level nested elements.
No installation or login required—everything runs directly in your browser. Your code is processed securely and never stored, ensuring privacy while you work.


Key Benefits of Our HTML Formatting Tool

Clean & Structured Output: Automatically organized HTML with consistent indentation.
Validation Included: Detects missing tags, invalid attributes, and structural errors.
Instant Beautification: Format long or messy code in seconds.
Secure & Private: No data stored—your code remains yours.
Free to Use: No sign-up, no limits, just paste and format.
Cross-Platform: Works on any device with a modern browser.


How to Use the HTML Formatter, Validator & Beautifier

  1. Paste or Upload: Insert your HTML code or upload a .html file.

  2. Format HTML: Click "Format & Validate" to beautify and analyze your markup.

  3. Review & Download: Copy the formatted code or download it as a clean HTML file.

Tip: Use this tool before deploying websites, submitting assignments, or sharing code with teammates.


Frequently Asked Questions

What formats are supported?
You can paste raw HTML or upload .html files. The output is a clean, beautified HTML file.

Does the tool fix errors automatically?
It beautifies the structure and highlights errors, but some corrections may require manual review depending on the markup.

Is my code stored?
No. All formatting happens locally in your session. Nothing is saved or shared.

Do I need an account?
No registration needed—use instantly.

Can I use this on my mobile device?
Yes. The tool works on any browser-supported device.


More Information

Utilixir’s HTML Formatter & Validator helps ensure your HTML stays clean, readable, and error-free. With instant beautification and built-in validation checks, you can prepare production-ready HTML in seconds. Whether you’re cleaning templates, optimizing email HTML, or learning web development, this tool offers a simple, reliable solution.
For best results, use properly encoded HTML and avoid mixing unescaped script or style tags when formatting.
If you need additional features or support, feel free to reach out to our team.

Format and Validate HTML Instantly

Use the HTML Formatter to get readable, indented HTML and a sanitized preview. The validator highlights common parse errors.

Start Formatting