Use XML Formatter
- Enter or configure the source values.
- Choose the relevant mode and run the action.
- Review the result before copying or downloading it.
XML Formatter and Validator
Validate and conservatively format XML without resolving external entities or changing mixed-content whitespace.
Inputs and results stay in browser memory in this tab. Nothing is uploaded, logged, saved, or added to the URL. DOCTYPE and entity declarations are rejected; no external resource is resolved.
Enter text and choose an action.
Format element-only XML while preserving comments, CDATA, attributes, and semantically sensitive mixed content.
How OpenFileTools processes it
Local processing, explicit choices.
OpenFileTools performs this developer transformation locally in the browser after an explicit action.
Questions, answered.
Is any input uploaded?
No. Input and results stay in memory in the current browser tab.
What should I verify?
DOCTYPE and entity declarations are rejected; mixed-content whitespace is preserved.