Penglab Tools

XML Formatter & Validator

Paste your XML and click Beautify to see a formatted result.

Raw XML (paste here)

Formatted XML

// Formatted XML output will appear here

Quick guide

What this tool does

Format, validate, and minify XML documents directly in the browser without uploading data to a server.

How to use it

Paste raw XML into the editor, then use Beautify to indent the document, Validate to check well-formedness, or Minify to strip whitespace.

When this tool is useful

Pretty-print API responses or SOAP payloads for easier debugging. Validate XML config files before deploying to production. Minify XML feeds to reduce payload size for transport or storage.

Common use cases

Pretty-print API responses or SOAP

Pretty-print API responses or SOAP payloads for easier debugging.

Validate XML config files before

Validate XML config files before deploying to production.

Minify XML feeds to reduce

Minify XML feeds to reduce payload size for transport or storage.

Example input and output

Example input

<root><item id="1"><name>Penglab</name><type>tools</type></item></root>

Expected output

<root>
  <item id="1">
    <name>Penglab</name>
    <type>tools</type>
  </item>
</root>

FAQ

Does Penglab send my XML anywhere?

No. The formatter runs entirely in the browser using the built-in DOMParser, so your data never leaves your device.

Can I minify XML with this tool?

Yes. Use the Minify button to strip whitespace and collapse the document into a single compact string.

Does XML Formatter run in the browser?

Yes. XML Formatter works in the browser so you can enter data, review the result, and copy the output without needing a separate desktop app.

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