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Format, minify, and validate XML with readable indentation.
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- No signup
Private on your device
Your information stays on your device and is not uploaded.
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Paste XML to check that tags are well-formed and balanced. Errors include line and column details when available. Validation runs on your device.
How to use this tool
1. Paste source text, code, or data into the XML Validator input panel. 2. Choose transform or validation options shown for XML Validator. 3. Run XML Validator or read automatic output. 4. Review errors or diff output carefully. 5. Copy the transformed result. Processing runs on your device; inputs are not uploaded to our server.
Worked example
Example: paste a small sample input into XML Validator, run the transform or validation, and compare the output with the before text—fix any syntax errors reported before copying.
How it works
Paste XML to validate syntax instantly. Invalid XML shows parse errors with line and column when available. Validation works on your device.
Limitations
Results are based on the inputs you provide and may not cover every edge case. This tool is for general use and is not professional advice.
Privacy and file handling
Your data stays on your device and is not uploaded.
FAQ
Frequently asked questions
Is XML Validator free?
Yes. It is free to use and you do not need to sign in or create an account.
Is my data private?
See the privacy note on this page. Many tools run on your device; some heavier file tools may use secure temporary processing when required.
Can I use XML Validator on mobile?
Yes. Open this page on your phone or tablet, enter your inputs, and use the on-screen controls.
Related pages
- Formatters — compare developer tools and read FAQs
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- XML Formatter — Format, minify, and validate XML with readable indentation.
- JSON Validator — Validate JSON syntax and show parse errors.
- YAML Validator — Validate YAML documents and report errors.
- JSON Formatter — Format, minify, and validate JSON with optional key sorting.
- JSON Compare — Compare two JSON documents and list structural differences.
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