XPS (XML Paper Specification) and PDF (Portable Document Format) are both widely used formats for sharing and archiving documents. XPS was developed by Microsoft as an alternative to PDF, offering similar capabilities for preserving the visual appearance and layout of documents. However, PDF has gained more widespread popularity over time due to its compatibility across different platforms and devices. Sometimes, you may need to convert XPS to PDF documents for different purposes. Accordingly, this blog post covers how to convert XPS to PDF Online for Free or in C# .NET, or Java.