Sysinfo
PDF Protect and Unprotect Tool
All-in-One Software to Secure PDF Files or Remove PDF Protection

SysInfoTools PDF Protect and Unprotect Software provides a smart way to perform two different tasks single-handedly which lets the users apply password protection (user as well as owner) and other security parameters to protect PDF files. The smart multi-functional tool enables users to secure PDF files with password protection and other types of security restrictions. Also, it allows users to remove applied restrictions on PDF files without any data loss.

  • Protects PDF files with user password as well as owner password.
  • Supports single as well as multiple PDF files for batch operation.
  • Unlocks PDF files which are protected with owner passwords.
  • Runs smoothly on all versions of Windows including Windows 11 and Windows 10.

(Average Rating 4.8 Based on 1527 rating)

*SysInfo PDF Protect and Unprotect Tool is a Fully Secured Software to Download.

 Note : Check Pre Installation Guide

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Process to Lock and Unlock a PDF File

Prominent noteworthy features of the PDF Protect and Unprotect tool

PDF Encryption

PDF Encryption

Software facilitates a high level of PDF encryption as the users can password-protect PDF files and apply PDF security on their documents in various ways, like restriction on PDF printing, content copying, image extraction, modification, etc.

Encryption Removal

Encryption Removal

Being a multi-functional utility, it not only applies security on PDF files but also makes PDF protection removal tasks successfully done in a very safe manner. A new PDF file(s) is created at a user-defined location while the original file(s) remains intact.

Identify Various Encryption Levels

Identify Various Encryption Levels

PDF Protect & Unprotect is smartly designed to identify all the major encryption levels (which are applied on PDF files) for encryption as well as decryption, such as 40-bit, 128-bit RC4, 128-bit AES, 256-bit RC4 and 256-bit AES encryption.

Execute Batch Operation

Execute Batch Operation

Via this tool, multiple PDF files can be selected at a time to perform the batch operation. This feature comes in handy if you are having multiple files and you want to avoid one-by-one file selection.

Search PDF

Search PDF

If you are having a number of PDF files in your system and you are not sure about their location, you can take the help of this advanced search feature that will automatically search the PDF files in just a couple of seconds.

Smart Preview

Smart Preview

The tool features a smart preview option that displays all the Meta data information and other file vital properties of your PDF files that includes file name & path, title, subject, author, creator, producer, keywords, date of creation & modification, number of pages, etc.

Wide Support and Compatibility

Support Owner & User Password

PDF files can be protected with a user password (to view, read or open the protected PDF files) as well owner password (to make changes to users' permissions). Also, password-protected PDF files can be unlocked with this tool. It supports the owner's password in the removal process, it can safely unlock PDF files.

Data Modification

Data Modification

Users are allowed to perform modifications on PDF files prior to actual operation as it first displays the Meta data properties of selected PDF files, and then allows users to modify them as per requirement. But the selected files remained intact or unchanged at their original location.

Interactive Application

Interactive Application

The intuitive easy-to-use application requires no prior technical knowledge as the software is enhanced with a graphical user interface that makes it more interactive for technical and non-technical users.

Higher Compatibility

Higher Compatibility

PDF Protect & Unprotect tool offers higher compatibility as the tool runs smoothly under all major versions of Windows-based operating systems including the latest Windows 11 (all editions).

Automatic Update

Automatic Update

Windows-based utilities make the complete conversion process seamless and quick by offering up-to-minute software updates. Whenever the software is updated with new unique features, you will get a timely notification via email intimation. For minor updates, no need to go for any extra formality but have to register for a major version upgrade.

Two-in-One Tool

Two-in-One Tool

Buying two different software for protecting PDF files or removing restrictions from PDF files can be expensive. Therefore, you can do both by buying only one tool. This software will remove passwords from Protected PDF Files and as well as apply passwords to unprotected PDF files.

Software Specifications

Go through the specifications of PDF Protector/Unprotector Tool so that you can install this software quickly:-

About Product Version
v3.0
License
Multiple User
Edition
Home, Administrator, Technician, and Enterprise
Last Updated On
29th November 2022
Requirements & Supported Versions Pentium class processor Minimum
512MB RAM (1GB Recommended)
Disk Space:
Enough space to store the recovered output
Support Windows:
Windows 11/ 10/ 8.1/ 8/ 7/, 2008/2012 (32 & 64 Bit), and other Windows versions
Additional Information

Comparison of Trial Version & Full Version

Compare the features of the Free and Paid PDF Protected/Unprotected Tool.

Product Features Free Version Full Version
Protects PDF files with user password as well as owner password.
Supports single as well as multiple PDF files for batch operation.
Applies various security parameters on PDF files to protect them.
Smartly identifies all common encryption types of PDF documents.
Adds all types of PDF File Created on any version of Adobe Acrobat
Saves Protected and Unprotected PDF Files Save with watermark Save Original(without watermark)
24*7 Tech Support & secure 100%
100% secure Recovery
Money-Back Guarantee
Frequently Asked Questions

Clear your doubt related to this software through the FAQ section.

PDF protection is very essential for all those users who are using portable document format in a regular manner. As PDF is commonly used by millions of computer users over the world to store data and share them with other users, its security becomes a primary concern. If a PDF file is not protected, any unauthorized user can access the file or perform changes or alterations. PDF protection can be done with a password, i.e. user's password to open or read the PDF document and the owner's password to perform changes or modifications on the PDF documents.

PDF protection can easily be done with passwords. You can apply passwords for both owners as well as users to protect PDF documents. The owner's password is required to make changes or apply protection or PDF security on PDF documents, while the user's password is required to open or read the PDF document. PDF Protect & Unprotect tool is a perfect solution to protect PDF files with password protection as well as various PDF security restrictions.

The PDF Protect & Unprotect tool is a smart way to unlock PDF files and remove PDF security from PDF documents. This tool not only helps users protect PDF files but also helps them unlock PDF files and remove PDF security. The original PDF files remained unchanged or intact after the actual operation.

Using the advanced PDF Protect & Unprotect tool, users can password-protect PDF documents as well as apply various types of PDF security on the documents. The tool allows users to lock PDF files by applying passwords for both owners as well as users. Also, users can set the encryption level to apply PDF security on the documents. No changes or modifications will be made to the original files as they are remained untouched at their original location.

No, you cannot use PDF Protect & Unprotect tool if your PDF files are corrupted. This is the only limitation of this tool. To protect or unprotect using this Windows utility, first, you need to repair corrupt PDF files. You can try an advanced PDF Repair tool to repair PDF files.

It works as a stand-alone application that does not require Adobe Acrobat or any other tool for proper functioning.

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