- Supports Adobe Standard 40-bit Encryption and Adobe Advanced 128-bit Encryption.
- Password protect opening of the document.
- Unlock password protected documents.
- Prevent printing of the document.
- Prevent copying and changes to the document.
- Easy to use.
- Compatible with all common PDF readers, such as Preview.app or Adobe Reader
- Does not need Adobe Acrobat software.
- NEW: Polish localization.
- UPDATE: Checks for updates on start-up
- OS X 10.7 or later