HTML Beautifier

What is an HTML Beautifier?

Format un-minified or messy HTML markup into clean, well-indented HTML code with proper tag nesting and line breaks.

Why Use This Tool?

Code Inspection: Format minified HTML files to inspect tag hierarchy and structure.
Debugging: Easily locate unclosed tags or indentation mismatches in template code.
Clean Code Base: Standardize HTML indentation across dev team projects.

How to Use

Paste your messy HTML code into the input workspace.
Set indentation preference (2 spaces or 4 spaces).
Copy the clean, beautified HTML output.

Real Working Example

Input:

<div class="card"><h1>Title</h1><p>Description text.</p></div>

Output Result:

<div class="card">
  <h1>Title</h1>
  <p>Description text.</p>
</div>

Important Technical Details & Features

HTML Tree Indentation Parser: Correctly indents nested elements while preserving inline tags (<span>, <a>, <b>).
Configurable Indent Width: Supports 2 spaces, 4 spaces, or tab character indentation.
100% Local Execution: Fast browser processing.

Related Web & SEO Tools

HTML Minifier: Minify HTML markup.
HTML WYSIWYG Editor: Visual HTML editor.
CSS Beautifier: Format CSS styles.

Frequently Asked Questions

Does it support custom HTML5 tags?

Yes, custom elements and web components are indented correctly.

Can it format minified HTML?

Yes, it breaks minified single-line HTML into well-indented nested code.

Is my HTML private?

Yes, 100% client-side execution.

Is it free?

Yes, 100% free.

What is the main function of HTML Beautifier?

Prettify and format un-minified HTML markup with proper nesting indentation and readable line breaks. This tool processes html beautifier data 100% locally inside your web browser.