Free PDF Protector 4dots is a completely free, Windows-based desktop utility designed to batch-encrypt and password-protect multiple PDF documents simultaneously. Developed by 4dots Software, it eliminates the need to upload sensitive documents online or purchase expensive software like Adobe Acrobat. Core Features
Dual Password Types: You can set a User Password to restrict who can open and view the document, or an Owner Password to limit specific actions.
Permission Controls: The tool lets you disable unauthorized actions such as content copying, printing, commenting, and form field completion.
Batch Processing: You can select multiple individual files, import text list files, or drag and drop entire folders and subfolders to protect them all at once.
Encryption Strengths: The software supports both standard 40-bit and more secure 128-bit encryption algorithms.
Metadata Editing: Beyond security, it allows you to batch-edit document metadata fields like Author, Subject, Title, Keywords, and Creation Date. Ease of Use & Integration
Windows Integration: It can integrate directly into the Windows Explorer right-click context menu, allowing you to secure files instantly without opening the app manually.
Command Line Support: Advanced users can execute the application via command line, making it highly useful for integration into automated scripts.
Multilingual: The interface is extremely accessible and has been translated into 38 languages. Compatibility & Technical Specs
The software is lightweight and runs entirely offline on Windows operating systems (including Windows XP through Windows 8 and modern iterations). You can find download packages hosted on major software distribution platforms like Download3K or Apponic.
Are you looking to automate a security workflow using its command line feature, oradobe.com/uk/acrobat/online/password-protect-pdf.html”>Adobe Acrobat Web Tools? Free PDF Protector 4dots – Free Download
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