Change or encrypt PDF file in Mac OS without software, but how?

You can easily change or encrypt PDF password in Mac OS without using any password removal software using built-in MAC preview, just go to the File menu and Export with different encryption password.

I know it sounds catchy but, you can actually encrypt PDF file in Mac OS without using any software, all you need is a preview mode in Mac OS machine, and the password-protected file will be created in no time.

The preview mode is not available in Windows OS since it’s an inbuilt Mac OS feature. Preview helps in previewing music, videos, pictures, etc. without executing the program software. You can also convert the filetype of images from JPG to PNG, PNG to GIF and any other image format combination.

You can even encrypt and lock PDF file using the Adobe Acrobat software, however, I find this preview option really quick, simple, and easy to use without any heavy software usage.

Let’s get started with locking a PDF file.

Password Protect PDF file in Mac OS

For this demo, you’ll need a standard PDF file in your machine. Make sure that is not already encrypted and follow the mentioned steps.

  1. Open any PDF file in preview mode in Mac OS
  2. Hit on File command from the menu bar
  3. Select Export to PDF option from the drop-down
  4. Hit on “Show Details”
  5. Enable the Encrypt option checkbox
  6. Enter a Password and Verify again
  7. Hit on Save button to create an Encrypted PDF file in the desired location

Now you can open encrypt PDF file from Finder, and it will ask to enter the password to unlock and view.

Encrypt PDF Password Protected File Preview

Video: How to encrypt PDF in Mac OS?

I’ve also created an entire demo of the above steps and published a video demo on my restoreBin YouTube channel. The demo also includes a tip on how to print and save the web pages as PDF files using Chrome browser. I hope you’ll find this helpful.

Switching the gear to changing the encrypted PDF password to something different.

Basically, even this tip doesn’t require any software package or application to be installed on your Mac OS. We will be using the same inbuilt Preview feature in Mac OS.

Without further ado, let get started with simple steps.

Changing PDF password in Mac OS

First, you need to have a PDF file with password protection enabled, I mean a PDF file locked with the password. And you also need to have an existing password since you need to unlock the PDF file before changing the password.

  1. Double-click or hit enter to open the locked PDF file in Preview
  2. Enter the existing password to unlock file – file is now open
  3. Go to File and hit on ‘Export as PDF’ command from the menubar
  4. Change the exporting PDF file name
  5. Hit on ‘Show Details’ button to display advanced options
  6. Enable ‘Encrypt’ checkbox and enter a new password
  7. Verify the new Password and hit on Save button
  8. Voila! you’re done

Preview File Export as PDF and Menubar to Change PDF Password

Visit the location where the new PDF export has been saved. Check if the new export is getting unlocked with old password (I’m 101% sure it won’t). And later try unlocking with the new password.

You’ll have the two files with different password, you can discard the PDF file with the old password to continue using with the newly changed password.

Video: How to change PDF password in Mac OS?

I’ve created a screen capture video demo of the changing the PDF password and also shared on restoreBin youtube channel. Followed the same steps that I mentioned above.

I hope you’ll find this video helpful.

Share your experience with PDF encryption

I find this method really helpful and easy to follow. There is no headache of installing any third party software or apps.

I feel productive on Mac OS and it’s really simple and these few small inbuilt features make that even better. I checked in Microsoft Windows OS 10 for PDF encryption or password protection feature but, can’t find any option.

Please share your experience how helpful do you find password protect PDF file in preview mode without software. Also, drop in below comments if you’re facing any issues or challenges.

If you've any thoughts on Change or encrypt PDF file in Mac OS without software, but how?, then feel free to drop in below comment box. Also, please subscribe to our restoreBin YouTube channel for amazing videos tips. Cheers!

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Kushal Azza
Hey there, I hope you doing awesome! I’m Kushal Azza, a certified digital analytics professional, technophile, a blogger & your host at @restoreBin

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