Beautify and re-indent HTML online, free. HTML is the markup language that structures content on the web. This formatter re-indents minified or messy HTML with consistent spacing so it is readable and diff-friendly — processing runs in your browser with nothing uploaded.
It expands compressed HTML back into a clean, consistently indented form without changing its meaning. 100% free, no registration, and complete privacy — everything runs locally in your browser, so your data never touches a server.
Paste minified or messy HTML and get clean, indented output immediately — no upload wait.
Normalises spacing and nesting so the whole file follows one style, ideal before committing or reviewing.
Your HTML is formatted locally in JavaScript; nothing is logged, stored, or sent to a server.
Unlimited formatting with no account or quota, on desktop and mobile.
Paste your HTML into the input box and click Format. The formatter runs instantly in your browser and shows the result on the right — no upload, no signup, no installation.
Yes. The HTML formatter is completely free with no limits, no account, and no watermark. All processing happens locally in your browser for privacy.
No. Your HTML never leaves your device — it is processed locally in JavaScript. We don't upload, log, or store your input, so it's safe for proprietary code and config.
No. Formatting only adds indentation and line breaks for readability; it does not change the meaning or behaviour of your HTML.
Yes. The tool is fully responsive and works on phones, tablets, and desktops — just open it in any modern browser.