thaitools.techPractical tools for life in Thailand
English interface

XML formatter and validator

Validate and format well-formed XML with DOCTYPE blocked.

ReviewedGeneral utility
Saves this tool's name on this device only (up to 20). No form values.
Only visible result text is included. Form fields are not read. Review sensitive values before sharing.

Processed locally. Review generated code before deployment.

Enter values, then process to see the result.

How to use it

  1. Paste or enter input within the displayed limit for xml formatter and validator.
  2. Validate and format well-formed XML with DOCTYPE blocked.
  3. Validate the output against the documented format and limitations before production use.

Important limitation

DOCTYPE is blocked to reduce entity risk; XSD/DTD validation is not provided.

The interactive form is fully localized in English.

Reviewed 2026-09-16; next review 2027-03-16.

Core calculations, cited sources and main examples have been reviewed within the stated scope.

Sources

Extensible Markup Language (XML) 1.0W3C · opens in a new tabChecks well-formed XML and blocks DOCTYPE.Source checked 2026-09-16
Recorded updates

Review history

Site changelog

Dates describe the review scope recorded below. A page update does not mean every source was checked again.

  1. Last recorded source/method review

    Core calculations, cited sources and main examples have been reviewed within the stated scope.

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