Developer Tools
XML Validator
Validate pasted XML for basic well-formedness, matching tags, and a single root element directly in your browser.
Output will appear here.
XML validation workflow tips
Use XML Validator before formatting or minifying copied XML from feeds, sitemap samples, config files, API examples, or SOAP-style payloads. The check is intentionally lightweight and browser-local: it verifies well-formed tag nesting, not XSD or DTD schema compliance.
Validate before formatting
If validation passes, open XML Formatter to make compact XML easier to inspect before sharing, documenting, or debugging it.
Review before minifying
After the XML is well formed and readable, use XML Minifier only when whitespace is not meaningful for your snippet or payload.
Choose the right data checker
Use JSON Validator for JSON payloads and YAML Validator for simple YAML snippets instead of forcing non-XML data into this checker.
What this tool does
This XML validator checks small XML snippets, feeds, sitemap samples, config fragments, and SOAP-style payloads for common structure problems such as mismatched tags, missing closing tags, multiple roots, and text outside the root element.
Common use cases
Validate pasted XML snippets, feeds, sitemap samples, config files, or SOAP-style payloads for basic well-formedness before formatting or minifying.
Use XML Validator when you are working with copied API payloads, logs, encoded values, config snippets, identifiers, or debugging data and need a quick browser-local check before pasting the result into docs, tickets, tests, or another developer tool.
How to use it
- Paste XML markup into the input box.
- Review the validation result, root element, element count, and any clear error message.
- Fix tag nesting problems, then continue to XML Formatter or XML Minifier when the XML is well formed.
Example workflow
Copy a small payload or encoded value from an API response, request URL, log line, or config file. Run the focused check here, confirm the output is readable, then continue with related developer data tools such as validation, formatting, decoding, timestamp conversion, or CSV/JSON conversion.
Privacy note
Client-side only: XML validation runs in your browser and pasted XML is not uploaded, stored, fetched, or logged.
FAQ
Does this XML validator upload my XML?
No. XML validation runs locally in your browser and ClearUtils does not upload, store, fetch, or log the pasted XML.
Does it validate against XSD or DTD schemas?
No. This is a lightweight well-formedness checker for tag nesting, matching closing tags, and a single root element. It does not validate XSD or DTD schema rules.
What XML problems can it catch?
It can catch common pasted-snippet issues such as mismatched tags, unclosed tags, stray closing tags, multiple root elements, and text outside the root element.
Should I validate before formatting XML?
Yes. Validate first when you suspect the XML is malformed, then use XML Formatter to make valid XML easier to read.
Can I minify XML after validation?
Yes. Once the XML is well formed and whitespace is not meaningful for your use case, use XML Minifier to create compact output.
Explore more tools
Browse the Developer Tools hub or continue with the Developer Data Toolkit when this task is part of a larger workflow.