http://www.oioubl.info/validator/default.aspx
To test a documents validity:
- Upload the document to test from your local storage.
- Click Validate.
- First the document structure is validated against the XSD schemas.
The result is displayed in the "Result of schema validation (XSD)" textbox.
- Next the business rule test is applied using the schematron validation.
The result is displayed in the "Result of schematron validation (xslt)" textbox.
- Finally the status field is updated with the status of the entire validation.