HTML Formatter

Format and indent HTML markup. Done in your browser.

Runs in your browser — your file never leaves your device

Frequently asked questions

Is HTML Formatter free to use?

Yes — HTML Formatter is completely free with no limits, no watermarks and no sign-up. It runs in your browser, so there is nothing to pay for.

Are my files uploaded or stored anywhere?

No. This tool does all its work locally in your browser using your own device's power. Your files never leave your device and we never see them.

Do I need to install anything or create an account?

No installation and no account needed. HTML Formatter works on any modern browser — Windows, Mac, Linux, Android and iPhone.

How do I use HTML Formatter?

Open the tool, add your file (or paste your content), adjust any options, then press “Format HTML”. Your result is ready to download in seconds.

Beautify and indent CSS.

Beautify and indent JavaScript.

Turn a cron expression into plain English.

Convert between binary, octal, decimal & hex.

Finance a vehicle: payment & total cost.

Turn a PDF into editable slides, one page per slide.