Master PDF Editor is a multifunctional application designed for working with PDF and XPS documents. The software enables direct modification of textual and graphical content within files. Capabilities include creating new documents from scratch, as well as annotating and filling existing forms. The tool integrates functions for page manipulation, allowing users to reorganize, rotate, or remove pages within a document. Master PDF Editor also provides mechanisms for protection through encryption and digital signatures, ensuring information integrity. The application is compatible with multiple operating systems, offering a uniform solution for heterogeneous environments.