UD Validator

Validate Universal Documents against the full UDS schema with line-by-line error reporting.

Your testing checklist

1. 1.Validate a known-good .uds file — reports PASS
2. 2.Validate a known-bad .uds file — reports FAIL with specifics
3. 3.Upload a non-JSON file — clear error message?
4. 4.Upload an empty file — handled gracefully?
5. 5.Check that all error messages are understandable
6. 6.Validate a translated document
7. 7.Validate a sealed document — seal check works?
8. 8.Validate a revoked document — flagged?
9. 9.Test on mobile
10. 10.Try drag-and-drop upload

Apply to be a Founding Tester