Developer Tools

HTML Formatter

Beautify and indent HTML code online. Clean, readable markup in one click.

Input HTMLFormatted

<html>
  <body>
    <h1>
      Hello
    </h1>
    <p>
      World
    </p>
  </body>
</html>

How to use HTML Formatter

Does it strip unsafe tags?

No — it only reformats. It does not sanitize or remove any tags.

Is the HTML Formatter really free?

Yes — every tool on ToolFlexPro is 100% free with no signup, no watermarks and no daily limits.

Is my data safe?

Everything runs directly in your browser. Nothing is uploaded to a server, so your data stays private on your device.

Does it work on mobile?

Yes. ToolFlexPro is fully responsive and works on any phone, tablet or desktop.

Do I need to install anything?

No installs. It runs instantly in any modern browser (Chrome, Safari, Firefox, Edge, Brave).