HTML Formatter

Format HTML markup.

How to use

Four quick steps — paste, run, review, copy. Everything stays in your browser.

Paste your input

Paste your input

Drop CSS, HTML, JSON, or other text into the editor. Nothing is uploaded.

Run the tool

Run the tool

Click Convert or Run. The result appears instantly on this page.

Check the output

Check the output

Read the generated code and any review notes before you ship it.

Copy and use

Copy and use

Copy the output to your clipboard and paste it into your project.

About this tool

Indent HTML so nested structure is obvious before you convert styles or review accessibility landmarks.

Example

Compact hero markup expands into a readable tree.

Input

<section class="hero"><h1>CSS to Tailwind</h1><p>Convert utilities in the browser.</p><a href="/">Open</a></section>

Output

<section class="hero">
  <h1>CSS to Tailwind</h1>
  <p>Convert utilities in the browser.</p>
  <a href="/">Open</a>
</section>

Tip

Formatting will not fix invalid HTML — validators still matter.