Application modernization signifies the strategic initiative of revitalizing older software systems by aligning them with the latest computing paradigms. This entails the adoption of newer programming languages, frameworks, and infrastructure platforms, breathing new life into legacy applications. Also recognized as legacy modernization or legacy application modernization, this approach involves multifaceted techniques such as conversion, rewriting, or porting of existing legacy systems. The objective is to seamlessly transition these systems to contemporary programming languages, architectures, software libraries, protocols, and hardware platforms, ensuring improved performance, enhanced functionality, and alignment with evolving technological standards.