HTML Formatter

The HTML Formatter helps you turn cluttered HTML markup into a clean, consistently indented structure. Organize nested elements and improve code readability when building websites, debugging page layouts, or reviewing existing templates. This free online HTML beautifier makes HTML formatting simple without requiring an editor or additional software. Paste your markup to format your HTML and make your code easier to work with.

New to HTML Formatter?

Format a compact HTML fragment. Load the example to see the tool in action.

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GUIDE

What is HTML Formatter?

An HTML Formatter converts cluttered or inconsistently indented HTML markup into a cleaner, more readable structure. Organize nested elements and inspect page markup more easily when building websites, troubleshooting layouts, or maintaining templates. This free online HTML formatter helps you improve code readability without manually adjusting indentation or installing extra software.

WHY IT HELPS

Why use this tool?

Clean up code so it is easier to read and review.
Compare the formatted result with the original before committing it.
Handle a quick formatting task without opening an editor.

HOW TO USE

How to use HTML Formatter

Step 1. Paste your code into the input area.
Step 2. Run the formatter or tool and review the output.
Step 3. Copy the result and run your project's own checks before using it.

PRACTICAL USES

Common use cases

Reading minified or messy code

Preparing snippets for documentation

Reducing file size for delivery

Checking pattern or syntax behavior

EXAMPLE IN PRACTICE

Structure HTML with readable indentation

Consistent indentation helps developers inspect nested elements and find mismatched tags.

<main class="page">
  <h1>Developer tools</h1>
  <p>Format and inspect data online.</p>
</main>

GOOD TO KNOW

Important notes

Formatting changes layout rather than behavior, but test important code after changing it.
Language versions and style rules differ, so match your project's own settings.

RELATED TOOLS

More Code & Formatting Tools

FAQ

HTML Formatter FAQ

What is HTML Formatter?

Format and beautify HTML online with clean indentation and readable markup. Organize HTML code for easier debugging, editing, and maintenance.

Do I need an account to use HTML Formatter?

No. You can use it without creating an account.