How to Decrypt/Remove Password from PDF Files Online & Offline

Some PDF files like bank statement are password protected to prevent unauthorized access to them. For some other reasons you might want to unlock these PDF files. The good news is that you can easily decrypt these files whether you know the password or not. You will learn how to remove password from any PDF file in two ways; online and offline.

how to unlock pdf file online and offline

To unlock a PDF file offline, you need to have Adobe Acrobat Reader installed in your device. If you don’t have the app, you can unlock the PDF using a free online PDF unlockers.

How to Unlock PDF Files Offline in Adobe Acrobat Reader

I have explained how to password protect a PDF file in Adobe Acrobat Reader. You can also use Adobe Acrobat Reader to unlock a password-protected file. But you need to know the password of the secured PDF file. Once you provide the password, you can easily unlock the file.

To Unlock a PDF file in Adobe Acrobat Reader:

You will need Adobe Acrobat Reader installed in your PC. If you don’t have it yet, download and install it here.

Open the PDF file with Adobe Acrobat Reader.

Go to File > Properties. Then activate the Security tab.

Now click on Change Settings. This prompts the Password Security – Settings dialog box.

NOTE: If the PDF file has a permissions password, you need to type it in the “Enter Password” box and then click OK. After this, you will have access to remove all the password from the PDF file.

enter the permission password to unlock the pdf file

Now uncheck the “Require a password to open document” check box.

Also uncheck the “Restrict editing and printing” check box if checked as shown in the screenshot below.

remove the document open password and the permissions password

Then click OK twice to close the all open dialog boxes.

Now press Ctrl + S to save the changes made to the PDF file.

Close the file and try opening the document again. This time, it will not request any password from you in order to access the content of the PDF file.

Congrats! you have successfully unlocked a password-protected PDF file in Adobe Acrobat Reader.

Now let me explain how you can unlock your PDF with a free online PDF unlock tool.


How to Unlock PDF Files Online with Free PDF Unlocker

If you don’t have Adobe Acrobat Reader installed in your device, you can use a free PDF unlock tool to remove password from a PDF file online. I have explained how to password-protect a pdf file with free online tools.

There are many free online PDF password removers you can use. I will illustrate with one and then list some other ones I recommend.

Removing PDF Password with the Free SmallPdf Unlock PDF Tool

Open in a new tab.

Choose the PDF file you wish to remove its password. You can choose from your device, choose from Dropbox or even from Google Drive.

upload the pdf file you wish to unlock

Select the file and click on Open to upload it to the SmallPdf server.

You need to prove that you have the right to remove the PDF password by check the “I pinky swear that I have the right to edit this file and remove its protection” check box. Click the UNLOCK PDF! button.

verify that you have the right to remove the pdf file password

You will now be asked to enter the PDF file password. Enter the PDF file password and click on REALLY UNLOCK! button.

Then the decryption process starts. Once it is completed, you will see a preview of the contents of the unlocked PDF file.
Specify how you want to get the unlocked PDF file. Click the DOWNLOAD drop down arrow and choose an option that suits you: Save to device, Save to SmallPdf (PRO), Save to Dropbox or Save to Google Drive.

specify your save location and click the download button

The first option is the default. If you click the DOWNLOAD button, the PDF will be saved in your device.

Congrats! You have successfully unlocked a secured PDF file.


Other Free Online PDF Password Unlock Tools


You have learnt how to unlock any password-protected PDF file online – with free PDF unlockers. I also explained how to unlock a PDF file offline – using Adobe Acrobat Reader. Feel free to use the method that is more convenient to you. You also learn how to password protect and unlock any word document for free online and offline.

Help your social media friends discover this amazing tutorial article by clicking a share button. Don’t forget to subscribe to our blog via email to get notified when we drop new tutorial article. Enjoy!

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About the Author: Buzzer Joseph

I am an entrepreneur who believes that anybody can achieve whatever goal he sets, so long as you follow the right path. I fully decided to take entrepreneurship as a lifestyle in 2014 and have never regretted that decision. Even though I failed many times, but my failures helped me discover my hidden potentials. Check out my Amazon Author Page at I blog at Buzzing Point - and Microsoft Tutorials - where I help young entrepreneurs to discover their hidden potentials and how to turn their passions into long term income streams. Also, I am very active in Quora, especially in my spaces, Lucrative Business Ideas - In fact, I can't do without the internet. I love surfing the net and making research. I love updating my fans on the latest buzzing info. Apart from surfing the internet, you can also find me playing badminton game or tennis.

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