Mac OS X Softwares to Pdf encryption

jPdf Tweak is a versatile, cross-platform Java Swing application designed for manipulating PDF files. It offers a range of functionalities including combining, splitting, rotating, reordering, watermarking, encrypting, signing, and other essential PDF adjustments.

Master PDF Editor is a comprehensive PDF editing suite for Windows, macOS, and Linux. It empowers users to create, edit, view, annotate, and sign PDF documents with a robust set of tools.

Adobe Acrobat DC is the industry-leading solution for working with PDF documents. It allows users to create, edit, sign, share, and manage PDFs with advanced tools for professional workflows across desktop, web, and mobile.