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XML Formatter & Validator

Beautify or minify XML instantly. Validates well-formedness using the browser's built-in parser. Everything runs in your browser · no server, no tracking.

Developer Tools Runs locally No data sent
XML Format Minify Validate client-side only
Indent:
Input XML
0 chars
→
Formatted XML
0 chars Parse error
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Validates XML structure using the browser's built-in parser. Minify removes all whitespace between tags. Comments are stripped in Minify mode.

What is XML Formatter & Validator?

XML Formatter & Validator makes XML easier to read, check, and clean up by formatting indentation and confirming whether the document is well formed. It is useful for API payloads, config files, SOAP envelopes, feeds, and any XML you need to inspect before use.

How to Use XML Formatter & Validator

  1. Paste XML into the input area.
  2. Choose whether you want to format, minify, or validate the document.
  3. Review the output or validation message for syntax issues.
  4. Copy the cleaned XML back into your app, request, or config file.

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Understand XML Formatter & Validator ▾
Example
Input <root><item id="1">Hello</item></root>
Output <root> <item id="1">Hello</item> </root>
Common Use Cases
  • Beautify compact XML payloads before debugging or review
  • Check whether copied XML is well formed before sending it downstream
  • Minify XML again after editing or validation
  • Inspect namespaces, attributes, and nesting in SOAP or feed documents
Why Use This Tool
  • Useful for SOAP payloads, feeds, exports, and integration debugging.
  • Helps you spot malformed tags and nesting errors before deployment.
  • Runs locally so XML documents stay in the browser while you inspect them.
Frequently Asked Questions
Does it validate XML schema (XSD)?

It checks well-formedness but not schema validation against an XSD or DTD.

Does it handle XML namespaces?

Yes. Namespace prefixes and xmlns declarations are preserved.

What does XML Formatter & Validator Online - Beautify & Validate XML do?

XML Formatter & Validator Online - Beautify & Validate XML runs entirely in your browser and helps you complete this task without uploading data to a server.

Is XML Formatter & Validator Online - Beautify & Validate XML free to use?

Yes. This tool is free to use and does not require sign-up.