The SysTools PDF Lock software proficiently locks PDF files and secures users' confidential data and information from unauthorized access. It restricts various permissions from PDF documents, making them safe from forbidden access. The utility efficiently restricts permissions like copying, signing, editing, printing, page extraction, filling, and commenting in PDF files. This software uses multiple of the latest encryptions, such as AES 256-bit and AES 128-bit, to encrypt and secure PDF documents. The tool provides users with the choice to put a document password, a permissions password, or both on a PDf file. It also provides the option for users to keep the source document's password the same by selecting the said option. Moreover, along with the default "Add File" option, it also provides the "Add Folder" option for users who wish to lock multiple PDF files in bulk, thus supporting locking PDF files in batch mode. This PDF locker utility is free from Adobe Acrobat dependence, i.e., one does not need to install Adobe Acrobat in order to restrict PDF files. While locking and restricting the PDF documents, this software does not alter the original folder structure or formatting of the users' PDF files. In addition to that, the expert tool generates a CSV report after the PDF lock process's completion for users to save for future reference. Furthermore, this astonishing utility supports all versions of PDF files; thus, you can lock or restrict permissions on any PDF file without worrying about version compatibility.
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