Developer's description:MacSonik PDF Encryption Tool for Mac is an ideal tool to protect the unprotected PDF file to ensure the security of it. This software helps the users if they want to limit the number of other users who can access PDF files. It enables password Encryption to the PDF file. Therefore, users who have the password can access the file. It has the unique feature of enabling password encryption for both Users and Owners Passwords to Mac PDF files. This utility can encrypt multiple PDF files for Mac all at once and also by maintaining the data integrity. By securing your PDF file from password Encryption, users can also prevent data from modification. As users who have the required password can only access the file, the software helps you to avoid any editing or omitting to your precious PDF files. Users can also change the password of an encrypted PDF file for Mac by using the MacSonik PDF Encryption Software. As you add files, you will see the Change Password for protected PDF files option. Tick the option to enable this feature. It is also the most safe and reliable tool to encrypt the PDF files for Mac. It does not damage users file content or attachments and leaks your valuable information. It also does not alter the original file content while encrypting the Mac PDF files. This software is very widely compatible with all the major versions of Apple Mac versions including the latest Catalina. Furthermore, it supports all the versions of the PDF files generated by different Adobe Readers. One of the advanced features is that users can choose the level of encryption. The level of encryption determines the degree of enabled security parameters. As you choose the higher level, no one can easily decrypt the PDF files for Mac.