HTML Formatter

Paste HTML into the editor, format it instantly, and copy or download the cleaned output. This page is useful for templates, snippets, content embeds, and frontend debugging.

HTML input

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Formatted HTML

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<section>
  <h1>veratools</h1>
  <ul>
    <li>format html</li>
    <li>format json</li>
    <li>format xml</li>
  </ul>
</section>

Paste content and format it instantly.

This formatter runs in your browser, so you can clean up code and copy the result without sending your text to a remote formatter service.

Format HTML Online

Format HTML online with readable indentation so templates, snippets, content embeds, and copied markup are easier to inspect, edit, and debug. Paste a wall of HTML and the formatter adds consistent nesting, aligns tags, and returns clean output you can read and work with.

How to use HTML Formatter

Paste or type content into the html input panel.

Run the formatter to clean up spacing, indentation, and structure.

Copy or download the formatted result when it looks right.

Why this helps in real workflows

Minified HTML from a build output or CMS needs to be expanded for debugging before reviewing the markup structure.

A snippet copied from a website, email template, or component library is all on one line and needs formatting before editing.

Generated HTML from a server-side template or CMS export has inconsistent indentation and needs cleaning up.

You are reviewing a pull request with HTML changes and want to format the snippet for a clearer diff.

Common problems and fixes

The formatted output looks different from the input structure.

HTML formatters re-parse and re-serialise the markup. Void elements like <br>, <img>, and <input> may be self-closed or normalised. The rendered output in a browser will be the same — only the source formatting changes.

Inline elements like <span> and <a> are getting their own lines.

Some formatters treat all elements as block-level for simplicity. If preserving inline formatting is important, review the output and adjust as needed — the content and attributes are not changed.

Script or style blocks inside the HTML are not being formatted.

Inline <script> and <style> blocks contain JavaScript and CSS respectively. The HTML formatter preserves their contents as-is. Use the JavaScript Formatter or CSS Formatter to format those sections separately.

Related tools

Frequently asked questions

How do I format HTML?

Paste your HTML into the input box, run the formatter, and copy or download the formatted HTML output.

Will the HTML formatter keep nested elements readable?

Yes. The tool reformats nested markup with consistent indentation so it is easier to inspect and edit.

Is this HTML formatter free?

Yes. It is free to use in your browser.

Does the HTML formatter validate my markup?

The formatter processes HTML permissively — it formats what it can parse. For strict validation with error reporting, use the HTML Validator.

Will formatting HTML change how it renders in a browser?

No. Adding whitespace and indentation between block elements does not change how a browser renders the page. Text nodes inside inline elements are not modified.

Can I format a full HTML page, not just a snippet?

Yes. Paste a full HTML document including the doctype, head, and body, and the formatter will apply indentation to the entire structure.

HTML Formatter 🔒 Runs in your browser. No input data is sent to our server.