Formatter · Coming Soon

HTML Formatter & Beautifier

Paste messy or minified HTML and get back clean, properly indented markup instantly — all in your browser with zero configuration.

Get notified the day we launch. No spam, ever.

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What to expect

Built for developers

Paste raw or minified HTML and instantly get back beautifully indented markup with configurable tab size and attribute formatting.

⚡

Instant & in-browser

Runs client-side. Your data never leaves your browser.

🚫

Zero ads

No ads, no trackers, no popups. Pure focus.

📂

File & paste support

Paste code or upload files. Both modes supported.

🔗

Shareable links

Share output with teammates via a permanent link.

🌗

Dark & light mode

Adapts to your system preference automatically.

📱

Mobile friendly

Fully responsive. Works on any screen size.

About this tool

OpenFormatter's HTML Formatter & Beautifier lets you format HTML online for free. Supports pretty printing with 2-space, 4-space, and tab indentation. Handles inline and block elements correctly, preserves script and style tag contents, and works with HTML5. All processing happens in your browser — no data is sent to any server.

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