How to Protect a PDF File with Password Online & PC

Password Protect PDF File

Making secure a PDF file is important. It takes few minutes if you have a true PDF password protector program or app. In this educational guide, I will educate you how to password protect a PDF document easily and quickly.

There are so many web tools, desktop software, and mobile apps that you can choose for protection of your PDF files. No matter, what the reason for protection is, you might need to apply a password to a PDF file. So nobody can open it unless they put the same password to decrypt.

There are more than hundred reasons to apply a document open password. If you are sending a file over email or selling your eBook, you might want to ensure that only authorized people open to view it.

The internet is full of free utilities and tools which you can use for different purpose. Similarly, there is a range of PDF editors that featured a password protection functionality. However, I have a selective list of tools which you can use to protect your documents.

If you want to make changes to your PDF, we have a comprehensive list of the best PDF editors too, and a guide on how to remove password on a PDF file.

How to Password Protect a PDF Online

Using online web tools to password protect a PDF file can be more convenient than downloading and installing software. It is a faster way to add a password to your PDFs. Let’s start with online PDF protector tools.


PDF Protect

PDFProtect is the very first web tool that it not only simple but also provide clear-cut conversion method. It is an online service that can surely password protect PDF files without spending a dime. Additionally, I offer a variety of ways to bring your file into this online tool such as from the computer, Google Drive, and DropBox. So you can import your file from your local drive or from cloud storage. Not only this, but it also offers an advanced level of encryption to make PDF restricted for editing and printing. The interface is simple and nicely designed.

How to Use PDFProtect to Password Protect Your PDF Online

Here’s a step by step guide to putting a secure password to your PDF file easily and quickly.

  • Firstly, open your favorite browsers such as Google Chrome or Mozilla FireFox
  • Navigate to
  • Now import a PDF file from your computer by clicking “My Computer” button
  • Or, bring your file from cloud services such as Google Drive or DropBox
  • Next, enter your password in the password text field
  • Click “Protect” button
  • Once the process has completed, a password protected PDF will automatically be downloaded to your computer
  • You can also set an advanced level of encryption by clicking the “Advanced Options”. Here you can set open document password, password to remove restrictions, insert, delete, rotate, filling the forms, commenting, and printing restrictions.


SmallPDF Protect Password PDF

Smallpdf is a small but a handy way to put a password on a PDF file. It is one of the easiest ways to password protect any PDF easily and quickly. With this easy-to-use web application, You can encrypt your PDF with a password efficiently so it can’t be removed. Here’s a step by step points to learn how to put a password on a PDF file using online free tool.

  • Firstly, as usual, open your browser and navigate to smallpdf’s Password Protect PDF tool.
  • Just like other online tools, it also offers four ways to bring your PDF file to this website. For example, you can upload a PDF from your computer, or drag and drop. Similarly, you can import a PDF form cloud services like Google Drive or DropBox.
  • Now enter your password and re-type again to confirm
  • Click “Encrypt PDF” button to go the next level
  • Once the process has completed, another window will appear with some other options such as download button, save to Google Drive and DropBox links along with their icons.
  • Finally, download your encrypted PDF file



FoxyUtils is another online tool similar to PDFProtect and Smallpdf. It also lets you encrypt PDFs with a password without any cost. It is an online tool so you can use it on all operating systems including Windows, Linux, and MacOS X without any hesitation. To insert a password into your PDF document, follow these simple steps.

  • Simply, go to FoxyUtils Protect PDF online tool by clicking the website link
  • Drag the file or browse to select from your local drive or desktop, or bring it from GoogleDrive or DropBox by clicking their icons on the page
  • Wait until to see your file on the web. The file will appear along with couple of more information such as file size and number of pages
  • Next, enter your password in the password text field
  • You can also check any of the checkboxes for options features like require opening password, allow modifications, allow printing, allow copying or extracting text or graphics, and allow filling into form fields.
  • Finally, click on “Protect PDF” button
  • FoxyUtils require a sign up to use its services. Create your account or sign in if you already have an account.

Windows Tools for Protecting a PDF with Password

Windows don’t have any specific utility or app for protecting a PDF with a password. It is not an easy job to find the right application for your desktop machine. However, if you already have Microsoft Word or Adobe Acrobat, then you can easily get the job done in a couple of minutes.

But if you don’t have any of the above-mentioned software, then try their trial versions. For example, Adobe Acrobat Pro DC offers a free trial for seven days. Similarly, Microsoft Word, PDF Mate, and OpenOffice Draw can also be used to put a password on a PDF document. Let’s break down these methods, starting with the Acrobat free trial.

All the four programs work well on all Windows versions including Windows 10, 7, Vista, XP, and 2000. So you can use these services without any hesitation.

How to password protect a PDF Using Adobe Acrobat

Adobe Acrobat is on the top of the list that you can use to add a password to a PDF. It is a premium program and you cannot use for free. However, they offer a free trial for seven days. To put a password on your PDf file using the Adobe Acrobat, just follow these simple steps.

Make sure to have installed Adobe Acrobat Pro DC trail version. If you don’t have, go to the link and download. Also, the trail requires an account sign up for Adobe Creative Cloud. Just fill out the fields by providing your name, email address, and password. After completing, download the program, install and then launch to start the process.

Here’s step by step guide to learn how to password protect a PDF using Adobe Acrobat Pro DC

  • First of all, go to the “File” on the top menu and then “Open” to locate and open the PDF file
  • Again, go to the “File” menu and then Properties. A document properties window will appear. Now go to the “Security” tab
  • Click the drop-down menu alongside the “Security Method” and select “Password Security”
  • Another window will appear with a password text field. Put a check in the box alongside the “Require a password to open the document”
  • Enter your password in the text field. For reference, please see the screenshot.
  • Now Click “OK” and enter the password again to confirm document open password.
  • Finally, save the document to make sure the password is implemented.

Please make sure to enter a strong password. If you want to create a strong password, then you can use our password generator article to learn more about a strong password. If you are sending this password to your collages or clients, make sure to use the same password which you already used for other services such as your email or Facebook account. Create a unique password and then send it to others.

More Steps to Secure a PDF with Adobe Acrobat

If you want to put more security to your PDF document by restricting it from printing or editing, you need to follow few more steps. In Adobe Acrobat DC, The “Document Security” menu have some options such as editing and printing which you can use to make the security tighter.

Open your PDF file in Adobe Acrobat DC and go to “Security” by following the steps File > Document Properties > Security > Change Settings

Now check the box alongside “Restrict editing and printing” and enter the password

Use PDFMate for PDF Password Protection

PDFMate is a complete program that can be used for putting a password on a PDF. Additionally, It can convert PDFs to a variety of other formats such as EPUB, HTML, JPG, and others. Right now, the program is available for Windows only.

But your purpose of using PDFMate is not the file conversion. Instead of a format change, just change security settings and make sure that document open password is enabled.

  • Firstly, download and install PDFMate on your Windows machine
  • Once the program has installed, click the icon and launch it
  • Now click the “Add PDF” from the top buttons and load the file
  • Select “PDF” from below the “Output File Format”
  • Now click “Advanced Settings” button located on the top right side
  • Go to PDF tab and check the box alongside the Open Password. If you want to set more restrictions such as editing, copying, and printing a PDF file, then you can choose ” Permission Password”
  • Click “OK” and then choose a location where you want to save the file
  • Finally, save the file by clicking the “Convert” button located at the bottom of the PDFMate PDF Converter

Use Microsoft Word to Password Protect a PDF

Microsoft Word is a very common Windows application and almost everybody is familiar with this program. But the thing you may not know is its functionality for PDF password protection. If you have the Microsoft Word, then you can easily put a password easily and quickly. To do so, open your file and go to properties and set a password.

Just follow these simple steps to password protect a PDF using Microsoft Word.

Firstly, Open a PDF file in the Microsoft Word. To open a PDF file, go to “Open” and then browse the file. The Word will ask you to convert this file into an editable format. Click “OK” to open the file.

Next, follow Word step by step windows to put a password to a PDF file.


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