Syntactic XML validation
External entities and DOCTYPE declarations are rejected; XSD validation is not performed.
XML Formatter and Validator
Format, minify and syntactically validate XML without resolving external entities.
Tokens, patterns and files are processed locally and are not stored.
0 characters · 0 bytes → 0 / 0
How to use Syntactic XML validation
- 1
Enter or load the data locally.
- 2
Choose the visible options and process the content.
- 3
Review warnings before copying or downloading.
Features and limitations
Local privacy
Files are not uploaded and inputs are not automatically stored.
Safe export
Copy or download UTF-8 results created in the browser.
Frequently asked questions
How does this tool work?
External entities and DOCTYPE declarations are rejected; XSD validation is not performed.
Is my data uploaded?
No. Processing stays in the browser and uses no external APIs.
What are its limitations?
Validation is local and syntactic; remote resources are not queried or verified.