HTML Formatter Online – Beautify & Minify HTML

An HTML formatter, also called an HTML beautifier or HTML prettifier, turns messy, minified, or poorly indented HTML into clean, readable markup by applying consistent indentation and line breaks. Use Beautify to make HTML easier to read and edit, or use Minify to reduce unnecessary whitespace for compact output.

1. Paste your HTML code into the input panel, or upload an HTML file from your device.
2. Choose Beautify to add indentation, or Minify to remove unnecessary whitespace.
3. Select 2 spaces, 4 spaces, or tabs when using Beautify.
4. Copy the result or download the formatted HTML file.

You can format a complete HTML document or a smaller fragment such as a section, table, navigation block, email template, or component markup.

HTML formatting is mainly a readability transformation. The formatter reads the markup structure, tracks opening and closing elements, applies consistent indentation to nested content, and preserves content that should not be treated like ordinary HTML text.

A good formatter also recognizes void elements such as <img>, <br>, and <input>, while handling raw-text or whitespace-sensitive elements such as <script>, <style>, <pre>, and <textarea> carefully.

Formatting changes presentation of the source code, not the intended web page design. Beautifying HTML does not automatically repair invalid markup or improve a page's search ranking. Embedded styles can be cleaned separately with a tool to format CSS with consistent indentation.

Example 1: Format Minified HTML

Minified markup can place an entire document on one line. Formatting makes the nesting easier to scan and edit.

<div class="card"><h2>Hello</h2><p>Welcome to my site.</p></div>

Formatted with 2 spaces:

<div class="card">
  <h2>Hello</h2>
  <p>Welcome to my site.</p>
</div>

Example 2: Format Nested Navigation

<nav><ul><li><a href="/">Home</a></li><li><a href="/about">About</a></li></ul></nav>

Formatted. Short inline links stay on the list-item line so the formatter does not insert extra gaps:

<nav>
  <ul>
    <li><a href="/">Home</a></li>
    <li><a href="/about">About</a></li>
  </ul>
</nav>

Example 3: Format HTML Email or Template Markup

HTML copied from an email builder, CMS, template engine, or page builder can become difficult to read. A formatter helps restore indentation so you can inspect nested tables, sections, attributes, and content blocks more easily.

• Clean up minified HTML copied from a production page or build output.
• Make nested HTML easier to read during debugging.
• Prepare markup for code review or version control.
• Clean up HTML exported from CMS and page builders.
• Format email HTML templates for inspection and editing.
• Standardize indentation before sharing HTML with another developer.
• Make copied or generated HTML easier to maintain.

This page is for HTML only. To beautify JavaScript, HTML, and CSS together, use the code minifier and beautifier.

HTML formatter, HTML beautifier, HTML prettifier, and pretty print HTML generally describe the same basic task: taking messy or compressed HTML and making the source easier to read with consistent indentation and line breaks.

People also search for an HTML formatter online, an HTML beautifier online, format HTML online, beautify HTML online, format HTML code, or format minified HTML. The wording varies, but the practical goal is usually the same — make HTML structure easier to scan, edit, debug, review, or maintain.

Expecting formatting to fix invalid HTML

Formatting and validation are different tasks. A formatter can improve indentation without automatically repairing every structural problem in the source.

Breaking whitespace-sensitive content

Aggressive formatting or minification can be dangerous around elements where whitespace matters. Preserve <pre> and <textarea> carefully and handle embedded scripts and styles safely.

Rendering pasted HTML as a live page

A formatter should show the result as source code. It should never execute arbitrary pasted scripts simply to display the formatted result.

Assuming beautified HTML improves SEO

Formatting source code mainly improves readability and maintainability. It is not itself an SEO ranking technique.

Using one huge line for source code

Readable indentation makes nested markup, attributes, comments, and closing tags easier to inspect and review.

• Format CSS with consistent indentation when the stylesheet, not the markup, is the messy part.
• Beautify JavaScript, HTML, and CSS together in the multi-language minifier.
• Format and validate JSON when the payload next to your markup is the problem.
• Compare two versions of text after you format a before-and-after copy.