A quality validation tool in a form of a computer program, installable on a specific hardware and or workstations which supports industrial CAD tools and PLM tools, the quality validation tool is executable independent of CAD platforms, Non-CAD platforms and or PLM platforms, wherein an engineering information resides in a geometry extractor while a plurality of engineering rules reside in a check validator. The engineering information is encrypted and decrypted. The tool has capability to perform quality audit, while keeping CAD form and detailing unknown to auditor. Validation report with quality rating is generated.