XML Formatter Online

Format and validate XML in browser with indentation, parser feedback, and fast copy-ready output.

How to use

  1. Paste XML Input into the editor.
  2. Run the browser-side format workflow.
  3. Review the Formatted XML and copy it when ready.

Benefits

  • Keeps xml processing local to the browser for quick review.
  • Surfaces xml issues or structure details before downstream reuse.
  • Keeps the processed result visible and copy-ready in the shared workspace.

XML Input

<user>
  <userId>101</userId>
  <username>developer_hero</username>
  <isActive>true</isActive>
  <roles>
    <role>admin</role>
    <role>editor</role>
  </roles>
  <profile>
    <firstName>Jane</firstName>
    <lastName>Doe</lastName>
    <age>28</age>
  </profile>
  <stats>
    <visits>1540</visits>
    <lastSeen>2023-10-25T14:30:00Z</lastSeen>
  </stats>
</user>

Formatted XML

<user>
  <userId>101</userId>
  <username>developer_hero</username>
  <isActive>true</isActive>
  <roles>
    <role>admin</role>
    <role>editor</role>
  </roles>
  <profile>
    <firstName>Jane</firstName>
    <lastName>Doe</lastName>
    <age>28</age>
  </profile>
  <stats>
    <visits>1540</visits>
    <lastSeen>2023-10-25T14:30:00Z</lastSeen>
  </stats>
</user>

FAQ

Can I formatter XML directly in browser?

Yes. The XML route runs in browser so you can inspect the result without sending the document to a server.

Does this XML route keep the result copy-ready?

Yes. The shared workspace keeps the processed result visible so you can review and copy it immediately after running the tool.

What to expect on this route

Use XML Formatter when you need a validation-first cleanup step that turns raw XML into readable markup before debugging feeds, request bodies, or imported documents.

When to start here

  • Clean up copied XML from APIs, SOAP payloads, or feed exports before reviewing nested tags.
  • Use this route first when you are not yet sure the document is well formed.
  • Normalize dense one-line XML before sharing it in tickets, docs, or code reviews.

What input works best

  • Paste full XML documents or smaller fragments directly into the editor.
  • Namespace prefixes, attributes, and repeated child nodes are preserved when the XML is valid.
  • Broken closing tags, mismatched nesting, or malformed declarations trigger parser feedback instead of formatted output.

What the result helps you confirm

  • Successful runs return readable indentation that makes nested elements easier to scan.
  • Parser errors stay visible so you can fix malformed markup before parsing or converting it.
  • The route focuses on cleanup first, which makes it a safe handoff point before viewer, parser, or generator routes.

Useful next steps

  • Move to XML Parser when you need element paths, repeated node counts, or root-level structure details.
  • Move to XML Viewer when the goal is read-only inspection instead of cleanup.
  • Move to XML Validator when you want a concise validity summary for a document before shipping it.