Proview is a PDF editor that enables users to merge and split files, crop pages, modify document information, and edit encrypted files on Mac OS X. It also features page rotation and scaling, as well as the ability to encrypt and decrypt PDF documents.

One of the most impressive features of Proview is its ability to edit encrypted files. This makes it possible to access and edit even those PDF documents that are password-protected. Moreover, the software can decrypt and encrypt PDF documents with ease, allowing you to keep your files secure and protected from unauthorized access.
Proview also offers a range of other useful functionalities such as managing PDF bookmarks, adding or removing PDF attachments, and adding text and dates to one or more pages. With a simple and clean interface, all functions are easily accessible, making it easy even for beginners to use the software without any hassle. Additionally, full interactive help is available to assist users with any questions or issues they may have.
Finally, it's worth noting that Proview comes with free updates for life, ensuring that you always have access to the latest features and improvements. Overall, if you're looking for a robust PDF editor for Mac OS X, Proview is an excellent choice that offers all the necessary features and functionalities to work with PDFs effectively.
Version 1.5.2: Text now completely interactive. Lots of new text formatting options, including transparency. Set Bleed, Trim and art boxes. Drag and drop pages between files instantly, and drag whole files in too. Edit page labels en-masse. More intuitive, interactive interface with fewer modal dialogs.