系统工具PDF锁3.1

SysTools PDF Lock is an advanced utility to lock PDF files in a secure and hassle-free way. This astonishing PDF Lock tool is proficient in locking PDF files to prevent unauthorized copying and editing. It provides users the option to save time and effort and password protect multiple PDF files in bulk.

Locks PDF documents to secure confidential information from unauthorized access Add permission restriction for Printing, Copying, Editing, Extracting Pages Restricts permissions for Filling and Commenting in PDF files as well Encrypts PDF file passwords with the latest encryption options including AES256 bit Protect PDF files with a document password or a permissions password as per preference One does not need to install Adobe Acrobat to use this application to restrict PDF files Use existing document open password with “Keep source document open password same” option Provides the “Add File” / “Add Folder” option to lock PDF files in batch mode to save time Users can set their preferred location to save the resultant PDF files Generates report after completion of the process in CSV format for the future needs

Whats New Updates: official site does not provide any info about changes in this version

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