Data Formats utility
XML Validator
Check XML for well-formed syntax in your browser.
● This tool runs entirely in your browser. Your input is never uploaded to our servers.
Output
Your result will appear here…
How to use XML Validator
- Paste an XML document.
- Select Validate to check that elements and attributes are well formed.
- Correct any reported parser error.
Example
Input:
<message><status>ok</status></message>
Output:
Valid XML ✓
Use cases
- Check XML API responses.
- Validate configuration snippets.
- Find mismatched or unclosed tags.
About this tool
Check XML for well-formed syntax in your browser. Processing happens locally in your browser, so your input is not sent to a server or included in analytics.
Frequently asked questions
Does this check an XSD schema?
No. It checks XML well-formedness, not validity against an external schema.
Can it parse namespaces?
Yes. Standard XML namespaces are accepted by the browser XML parser.
Does validation upload the document?
No. Validation runs locally.