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How to Unlock PDF File Using PDF Unlocker Tool

Nilesh Kumar | Modified: August 10, 2023 | PDF Tips | 7 Minutes Reading

PDF (Portable Document Format) is a widely used file format for sharing documents across different platforms. It provides security features such as password protection to prevent unauthorized access. However, in some cases, you may need to unlock a PDF file because of its restrictions or receive a password-protected file from someone else. In such cases, using a reliable and efficient PDF Unlocker tool becomes paramount.

This article will explore how to unlock PDF files using the best PDF unlock tool, highlighting its features and benefits.

Topics Covered In This Blog:

Understanding the Need for a PDF Unlocker Tool:

Before we delve into the details of using a tried and tested PDF Unlocker, let’s discuss the common scenarios where you may need to unlock a PDF file:

  • If you have set a password for a PDF document, but have forgotten it, accessing the content becomes impossible without the correct password.
  • You might receive a password-protected PDF from someone, and without the password, you won’t be able to view, print, or edit the document.
  • Some PDFs come with restrictions that prevent certain actions, such as copying, printing, or editing. Unlocking these restrictions enables you to perform these actions freely.

Types of PDF Passwords

When it comes to securing PDF files, one of the most common methods is by setting passwords at the owner and user levels.

  1. Owner-level password refers to a password that restricts certain actions in a PDF file. So, you can open and view your PDF document but not perform any action like printing, editing, copying, extracting, etc.
  2. User-level password restricts access to the document itself and requires a password to open it.

These passwords limit access to the PDF content and user actions. This is where the PDF unlock tools come in handy. They are software designed to remove passwords and restrictions from PDF files, allowing users to access and modify the content within.

Introducing the Best PDF Unlocker Tool:

SysTools PDF Unlocker is a powerful and user-friendly software designed to remove password restrictions from PDF files swiftly. Its key features include:

  • The tool can unlock multiple PDF files simultaneously, saving you time and effort when dealing with multiple protected documents.
  • Whether the PDF is protected with a user password (open password) or an owner password (permissions password), the PDF Unlock program can remove permissions from PDF as well as deal with known open password.
  • Apart from removing passwords, the tool can also remove various restrictions imposed on PDF files, allowing users to copy, edit, and print the content.
  • The recommended PDF Unlocker ensures that no data loss occurs during the unlocking process, keeping the original document intact.
  • It works seamlessly on all versions of Windows, making it accessible to a wide range of users.

Download PDF Unlocker Tool for Windows:

How to Use PDF Unlocker to Unlock a PDF File

Follow these simple steps to unlock a PDF file using the top PDF Password Unlocker Tool:

#1: Visit the official website of SysTools and download the PDF Unlocker software. After the download is complete, run the setup and install the software on your computer.

#2: Launch the tool by clicking on its icon or searching for it in your program list.

launch the pdf unlocker tool

#3: Click on the “Add Files” button and browse your computer to select the restricted PDF files you want to unlock. You can add multiple files at once for batch processing.

add protected pdf files

#4: The PDF Unlock program shows two three options: Size, Permissions and Password. Enter the password if the PDF file is locked with user-level password (cannot open).

display permissions size and password

#5: Choose the destination folder where you want to save the unlocked PDF files.

change destination location

#6: Click the “Unlock PDF” button to initiate the unlocking process. The tool will remove the password and restrictions from the selected PDF files.

unlock pdf file

#7: Once the process is complete, the tool will display a confirmation message. You can now access the unlocked PDF files from the specified output location.

unlock process successfull

Benefits of Using the Software:

  • The batch processing feature allows you to unlock multiple PDF files simultaneously, saving time and effort.
  • The tool’s intuitive interface makes it easy for both beginners and advanced users to unlock PDFs hassle-free.
  • This top PDF Unlocker ensures that your document’s content remains safe and unaltered during the unlocking process.
  • It can handle both user and owner passwords, as well as various restrictions, making it a comprehensive PDF unlocking solution.

PDF Unlocker Software for Mac

This software is also available for Mac users. All you need to do is to download the Mac variant of the software and you can unlock PDF on Mac.

How to Unlock PDF File with Online PDF Unlocker Tool

Unlocking a password-protected PDF file is useful when you need to access its contents quickly. One way to do so is by using an online PDF unlocking service. These online programs allow you to upload your password-protected PDF file and remove the password in simple steps.

The typical set of instructions to use an online tool is as follows:

  1. Open the online PDF password unlocker website.
  2. Upload your protected PDF file.
  3. Click the displayed “Unlock” or “Remove” button.
  4. Wait for the process to complete.
  5. Finally, download the decrypted PDF file.

Do note that if the PDF file is locked with an open password, the tool will ask you to provide the password to unlock the file for you.

Table Comparison – Software vs. Online

Comparison Parameters Software Online
Unlock a PDF file having open password Yes (enter the open password) Yes (enter the open password)
Unlock a PDF file having owner level password Yes Yes
Remove ALL restrictions from PDF file Yes Partly
Privacy Everything happens on your own system, so no privacy concerns You have to upload the file to online server, so has privacy issues
Platform Windows & Mac Online Access
Print Options Save & Print Only Save
Keep source password while removing restrictions Yes No
Batch Processing Yes One at a Time
Purchase Full Access One-time payment Subscription based


Unlocking password-protected PDF files can be a daunting task without the right tools. The PDF Unlocker provides a reliable and efficient solution to remove passwords and restrictions, granting you access to your important documents within minutes. With its user-friendly interface and batch processing capabilities, it is an ideal choice for individuals and businesses alike. If you ever find yourself in need of unlocking PDF files, SysTools PDF Unlocker should be your go-to tool for a seamless and secure unlocking experience.


What software can unlock PDF file restrictions?

SysTools PDF Unlocker can get rid of restrictions and unlock your PDF files in bulk.

Is it illegal to remove password from PDF file?

No. This is circumstantial and generally has no legal concerns over decrypting a PDF file.

Is there any method to unlock PDF for free?

Online tools can help you do that. But it is limited to only 1-2 PDF file. After that you need to pay subscription based high payment.