SysInfoTools Home / Products / PDF Management Tools / PDF Protect & Unprotect

PDF Protect and Unprotect Tool v3.0

Secure PDF Files or Remove PDF Protection

PDF protect unprotect
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 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.

  • 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.
  • Unlocks PDF files which are protected with user as well as owner passwords.
  • Safely removes all the existed security restrictions from the PDF files.
  • Smartly identifies all common encryption types of PDF document.
  • Allows modification (optional) in output PDF file’s description.
  • Compatible with Windows 10, 8, 7, Vista, 2003, XP and 2000.
sqlite recovery software secured by nortan  windows 8 compatible Download Now     Purchase Now        Money Back Policy       sysinfotools software sale 2017

Prominent noteworthy features of PDF Protect & Unprotect tool:


PDF Encrypt
PDF Encryption

Software facilitates 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.

Encrypt removal
Encryption Removal

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

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.

Batch Operation
Execute Batch Operation

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

Search PDF
Search PDF

If you are having number of PDF files in your system and you are not sure about their location, you can take 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 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.

Owner user password
Support Owner & User Password

PDF files can be protected with user password (to view, read or open the protected PDF files) as well owner password (to make changes on users’ permissions). Also, the password-protected PDF files can be unlocked with this tool. Be it a user password or owner password, 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 file, and then allows users to modify them as per requirement. But the selected files are remained intact or unchanged at their original location.


Interactive UI
Interactive Application

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

Wide compatible
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 10 (all editions).


auto update
Automatic Update

Windows based utilities makes 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 the timely notification via email intimation. For minor updates, no need to go for any extra formality but have to register for major version upgrade.

Frequently Asked Questions

Comparision of Trial & Full Version

Product Features Free Version Full Version
Protects PDF files with user password as well as owner password. check mark check mark
Supports single as well as multiple PDF files for batch operation. check mark check mark
Applies various security parameters on PDF files to protect them. check mark check mark
Smartly identifies all common encryption types of PDF document. check mark check mark
Save Recovered Data Save with watermark Save Original(without watermark)
24*7 Tech Support & secure 100% check mark check mark
Price FREE $39
money back policyMoney-Back Guarantee
Feel Free to Purchase SysInfoTools Products! We are committed to 100% customer satisfaction & security and thus we provide 30 days money back guarantee. View details...
Download Buy Now

Clients Reviews

"I found a batch operation and modification features beneficial. It works exactly as advertised and the price is fair as it has many important features. And the support is quick and pleasant. 10 out of 10!"

- Marilyn Flores

"I had an installation problem, but the support team answered in just a few minutes. I had excellent experience in the SysInfoTools store. I used this tool to remove restriction from a PDF file and add restriction on some important PDF files. The reliable value for money is excellent. Thanks for such a nice tool! "

- Carol Garcia

"SysInfoTools protect and unprotect tool is very useful to apply and remove the password protection from PDF files. It is easy to install and run because the user manual is good to understand. Thanks! Highly recommended!"

- Jimmy Alexander

"I love this tool because it is fully compatible with my operation system, i.e Windows 8. I have checked many other tools, but totally satisfied with SysInfoTools. I would like to give 5 star to this tool!"

- Sharon Hill