Sysinfo
PDF Protection Tool
Apply PDF Encryption and Passwords to Protect PDF Files from any Misuse

SysInfoTools PDF Protection tool is highly proficient in providing PDF security and PDF protection. It helps users to apply passwords on PDF files in order to avoid any unauthorised access. PDF protection tool applies password protection as well as various security parameters on your PDF files. It provides various encryption levels which can be applied to PDF files.

Applies user-password as well as owner password on PDF files to protect PDFs.
PDF Protection tool supports single as well as multiple PDF files at a time.
Facilitate display of Meta data properties and other information in PDF.
Compatible with Windows 11, 10, 8, 7, Vista, 2003, XP and 2000.

(Average Rating 4.8 Based on 1527 rating)

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*Sysinfo PDF Protection Tool is a Fully Secured Software to Download.

Note : Check Pre Installation Guide

Benefits of PDF Protect Software

Support various security parameters which can be applied to PDF files.
Four encryption levels are available to provide different levels of security to the PDF files.
Compatible with all PDF files created on any version of Adobe Acrobat.
Securely applies the password to the PDF without causing any changes in the file.
Equipped with a User-Friendly Interface and can be used by any user.
Free PDF Password Protect Tool is also available for performance evaluation.

Awards & Reviews

PDF Password Restrictor is a Prominent tool to apply user and owner passwords to PDF files. It protects PDF files from being misused and unauthorised access.

PDF Protection Tool can be used to apply restrictions to the PDF file and it gives 8 types of restrictions through which you can protect your PDF file from printing, editing, etc.

Steps to Apply Password and Protect a PDF Document

Launch PDF Protection Tool and Add a PDFYou will have to launch the PDF Protector and Add the PDF File(s) to which you want to apply protection. Apply Password and Give PermissionsEnter the Owner and User Password and give the permissions to the user according to their needs. Protect the PDF FileFinally, click on the Protect Button and your PDF file will be protected. The permissions of the PDF file will also be updated as chosen by you.

Need for the PDF Protection Tool

When you want to protect PDFs from Unauthorized Access

The PDF Locker will help to apply passwords to the PDF file and prevent it from any unauthorized access. If you want to protect your PDF file then you will need this software.

Locking Multiple PDFs at Once

It is a tedious task to apply passwords to PDF Files one by one therefore, with the help of this software you can apply passwords to multiple PDF files at once. This software fulfils your need to apply passwords to multiple PDFs.

Protecting PDF Files from Editing and Copying

If you don’t want your PDF file to be copied or edited then you can use this software and add these restrictions to the PDF file. There are 8 different types of Protections you can apply to a PDF file.

Prominent Features and Benefits of the Sysinfo PDF Protection Tool

Protection of Multiple PDFs

A smart aspect of selecting multiple PDF files at a time is the USP of this tool. Users can select single as well as multiple files at the same time, and protect them in just one go. It is considered a highly useful feature in the case of multiple PDF files.

8 Types of Protections

You can protect your PDF file from Copying, Changing, Printing, Commenting, Signing, Content Accessibility, Document Assembly, and High-Resolution Printing. This protection can be applied to any PDF file.

Display File Properties

PDF Protection tool displays the Meta data properties and all other information of selected PDF files before you can apply password and PDF security.

Encrypts PDF Files

Wide support for various encryption types on PDF files is available. The types include 40-bit, 128-bit RC4, 128-bit AES, 256-bit RC4 and 256-bit AES encryption levels. You need to select any encryption level to apply restrictions on your PDF files.

Different Security Parameters

Various types of security parameters can be applied to PDF files with ease. The available security parameters are PDF printing (high & low resolution), content extraction, document modification, authoring form fields, and many more.

Smart Password Protection

With the help of the PDF Protection Tool, users can password-protect PDF files with a user password and an owner password. A user password is required to open, read or view the document, while an owner password is required to perform changes to the PDF file.

Safe Data Modification

The software enables users to perform changes to the Meta data properties of selected PDF files before the actual process of PDF protection is executed. It is an optional task which can change the file information which includes Author, Title, Subject, Keywords and Creator.

Facilitate Independent Saving

Instead of making changes to the original files, new files are created and the original files are kept intact. Users are allowed to define a location for saving new output PDF files.

Simplified and Easy Interface

The interactive and user-friendly GUI makes this application easy to understand; hence no prior technical skill is required. Even a novice user can use this tool with ease.

Wide Supportability

PDF Protection tool supports PDF files created by any version of Adobe Acrobat tool, i.e. v3.0 and any later version. Also, it runs smoothly under all popular Windows-based operating systems.

Software Specifications

Explore the details and specifications of PDF Protection Tool so that you can install this software quickly:-

About Product	Version v22.10	License Multiple Users	Edition Home, Administrator, Technician, and Enterprise	Last Updated On 15 October 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

Supported Links

User's Installation Guide Customization Plan Eula

Additional Information

Comparison of PDF Password Protect Tool Free and Demo Version

Compare the features of the PDF Locker Free and Paid PDF Protection Software.

Product Features	Free Version	Full Version
Supports single as well as multiple PDF files at a time.
Apply several encryption levels on PDF files.
Apply several security parameters on PDF files.
Apply user as well as owner password on PDF files.
Save Protected PDF File	Save with watermark	Save Original(without watermark)
24*7 Tech Support & secure 100%
100% secure Recovery
	Download	Buy Now

Frequently Asked Questions

See the Questions asked by our clients related to the PDF File Protector.

What are the user password and owner password of PDF files?

The PDF Protection tool supports user-password as well as owner-password on PDF files. It is optional to provide a user password to the PDF files. User-password is mainly required to view or read PDF files by PDF users. The owner-password is mandatory which is mainly required to change or modify the users' permissions.

Can I use PDF Protection for corrupted PDF files?

No, you cannot use the PDF Protection tool if you are having corrupted PDF files. This tool does not support corrupted PDF files; hence, it will not open them. First, you need to repair corrupt PDF files using the advanced PDF Repair tool, then you can try the PDF Protection tool to protect your PDF files.

How many types of encryption levels I can apply to my PDF files?

The tool supports various types of encryption levels which can be applied to PDF files. The encryption levels are 40-bit, 128-bit RC4, 128-bit, 256-bit RC4 and 256-bit AES.

What are the supported security parameters of the PDF Protection tool?

There are various security parameters which are supported by this tool: PDF printing (high & low resolution), content copying or extraction, document modification, authoring comments and form fields, document assembling, and many more.

Client Review

I purchased this PDF protection tool after comparing it with many of the other tools available online and now, very happy because I made the decision to go with this one. This tool helped me a lot to save precious time and allowed me to perform PDF protection on single & multiple PDF files simultaneously. Top-rated tool! 5 out of 5!

- HARRY EDWARDS

SysInfoTools PDF protection tool provides multiple advanced features at an affordable price. With the help of the data modification feature, I was able to change the meta properties of my new PDF files. Great extension!

- NICHOLAS MARTINEZ

I had some issues with this tool, but, SysInfoTools professionals helped me a lot to resolve my issues. This PDF protection tool is really useful to apply protection on multiple PDF files. Thank you SysInfoTools for this tool and support service.

- ALBERT SANDERS

I received surprising support from SysInfoTools. With the help of this tool, I've applied different restrictions on the PDF files at a time. This tool works like a charm and the support is perfect. 5-star rating!

- RYAN PHILLIPS