XML Formatter

Format and beautify XML documents online with proper indentation and line breaks. Validate XML syntax while formatting for clean, readable markup.

Input

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Output

Output will appear here...

What is XML Formatter

Last reviewed: April 18, 2026

XML (Extensible Markup Language) is a strict, tag-based format used for documents, SOAP APIs, RSS feeds, and many enterprise and publishing systems.

XML Formatter is an online tool that helps you format and beautify XML.

It reformats XML so the pasted content is easy to scan, diff, and share, no manual whitespace cleanup required.

Why use it

Make XML easier to read, review, and debug.
Standardize XML spacing and structure before sharing or committing output.
Clean up pasted XML payloads from logs, APIs, or config files faster.
Avoid manual XML formatting work when you need copy-ready output.

Example (before/after)

Before formatting

<catalog><book id="bk101"><title>XML Developer Guide</title><price>44.95</price></book></catalog>

After formatting

<?xml version="1.0" encoding="UTF-8"?>
<catalog>
  <book id="bk101">
    <title>XML Developer Guide</title>
    <price>44.95</price>
  </book>
</catalog>

Common errors

Invalid syntax

The tool cannot process input that already contains broken syntax or malformed structure.

Fix: Check the pasted content first and correct the syntax error closest to the reported failure point.

Incomplete pasted input

Partial snippets often fail when opening and closing characters are missing.

Fix: Paste the full block or file so the tool can evaluate the complete structure.

Wrong content type

Formatting or validating the wrong format produces misleading errors.

Fix: Make sure the content matches the tool you are using before processing it.

FAQ

Can I use XML Formatter on mobile?

Yes. XML Formatter is responsive and works on phones, tablets, and desktops. Copy-to-clipboard and download actions are wired for touch devices too.

How do I export the result from XML Formatter?

Use the copy-to-clipboard button or the download action on the output panel to move the result straight into your editor, ticket, or build pipeline.

When should I use XML Formatter instead of a CLI or library?

Reach for XML Formatter when you need to format and beautify XML for a quick check, debug session, code review, or ticket comment — a CLI or library is better for scripted pipelines, but XML Formatter removes the setup cost for one-off work.

Does XML Formatter work offline after the page loads?

Most of the processing is client-side, so once the page has loaded you can keep using XML Formatter even if your connection drops — unless the tool explicitly hits a backend API for data it can't compute locally.

What does XML Formatter do?

Format and beautify XML documents online with proper indentation and line breaks. Validate XML syntax while formatting for clean, readable markup. Use it when you need a faster browser-based way to format and beautify XML.

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