What is the Tools69 XML Validator?

A free online XML validator that checks XML documents for syntax errors and well-formedness.

How do I validate XML online?

Upload an XML file or paste your XML. The validator instantly checks the syntax and reports any errors found.

What errors does it detect?

It detects XML syntax errors including unclosed tags, mismatched tags, invalid attributes, and encoding issues.

Yes. All validation happens locally in your browser. No data is sent to any server.

Is the XML Validator free?

Yes. It is completely free with no registration required.

Is there a file size limit?

There is no fixed file size limit. Since all processing happens directly in your browser, the maximum file size depends on your device's available memory and browser capabilities. Most modern devices handle large files without any issues.

XML Validator

Free online XML validator to check XML syntax and find parsing errors instantly.

Drag & drop your file here, or

🔒 Your files never leave your device and are never uploaded to our servers.

Frequently Asked Questions

XML Validator

Frequently Asked Questions

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XML Validator

Frequently Asked Questions

Related Tools

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XML Validator

Frequently Asked Questions

What is the Tools69 XML Validator?

How do I validate XML online?

What errors does it detect?

Is my data safe?

Is the XML Validator free?

Is there a file size limit?

Related Tools

Spreadsheet Tools

Developer Tools

Document Viewers

Images & Media

XML Validator

Frequently Asked Questions

What is the Tools69 XML Validator?

How do I validate XML online?

What errors does it detect?

Is my data safe?

Is the XML Validator free?

Is there a file size limit?

Related Tools

Spreadsheet Tools

Developer Tools

Document Viewers

Images & Media