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Formatter · Coming Soon

XML Formatter & Beautifier

Format messy XML into clean, readable, properly indented markup with syntax highlighting — paste or upload, done in seconds.

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

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What to expect

Built for developers

Handles even large XML files with namespace support, configurable indentation, and clear error reporting for malformed markup.

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Instant & in-browser

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

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Zero ads

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

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File & paste support

Paste code or upload files. Both modes supported.

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Shareable links

Share output with teammates via a permanent link.

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Dark & light mode

Adapts to your system preference automatically.

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Mobile friendly

Fully responsive. Works on any screen size.

More tools coming

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About this tool

OpenFormatter's XML Formatter makes it easy to format XML online, supporting 2-space, 3-space, 4-space, and tab indentation. Features color-coded syntax highlighting for elements, attributes, comments, CDATA, and processing instructions. Works with namespaces and large documents. Includes copy-paste and file upload support. All formatting happens client-side — your data never leaves your device.

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