Password Protect PDF and Encrypt PDF for Mac For Free

Drop document here to upload
Select from device
Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX or TXT
Note: Integration described on this webpage may temporarily not be available.
0
Forms filled
0
Forms signed
0
Forms sent

Discover the simplicity of processing PDFs online

Card illustration
Upload your document in seconds
Card illustration
Fill out, edit, or eSign your PDF hassle-free
Card illustration
Download, export, or share your edited file instantly
Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
High Performer - Summer 2025
Regional Leader - Summer 2025
Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025

Every PDF tool you need to get documents
done paper-free

Card illustration

Create & edit PDFs

Generate new PDFs from scratch or transform existing documents into reusable templates. Type anywhere on a PDF, rewrite original PDF content, insert images or graphics, redact sensitive details, and highlight important information using an intuitive online editor.
Card illustration

Fill out & sign PDF forms

Say goodbye to error-prone manual hassles. Complete any PDF document electronically – even while on the go. Pre-fill multiple PDFs simultaneously or extract responses from completed forms with ease.
Card illustration

Organize & convert PDFs

Add, remove, or rearrange pages inside your PDFs in seconds. Create new documents by merging or splitting PDFs. Instantly convert edited files to various formats when you download or export them.
Card illustration

Collect data and approvals

Transform static documents into interactive fillable forms by dragging and dropping various types of fillable fields on your PDFs. Publish these forms on websites or share them via a direct link to capture data, collect signatures, and request payments.
Card illustration

Export documents with ease

Share, email, print, fax, or download edited documents in just a few clicks. Quickly export and import documents from popular cloud storage services like Google Drive, Box, and Dropbox.
Card illustration

Store documents safely

Store an unlimited number of documents and templates securely in the cloud and access them from any location or device. Add an extra level of protection to documents by locking them with a password, placing them in encrypted folders, or requesting user authentication.

Customer trust by the numbers

64M+
users worldwide
4.6/5
average user rating
4M
PDFs edited per month
9 min
average to create and edit a PDF
Join 64+ million people using paperless workflows to drive productivity and cut costs

Why choose our PDF solution?

Cloud-native PDF editor

Access powerful PDF tools, as well as your documents and templates, from anywhere. No installation needed.

Top-rated for ease of use

Create, edit, and fill out PDF documents faster with an intuitive UI that only takes minutes to master.

Industry-leading customer service

Enjoy peace of mind with an award-winning customer support team always within reach.

What our customers say about pdfFiller

See for yourself by reading reviews on the most popular resources:
difficult to sign and other parties not knowing the software, I feel I need to be cautious. Too costly for a novice one time user. Overall, it has been helpful. thanks!
David L
2015-12-15
it is great. I can mark where I need clients to notice or sign. Would be interested to know how the rest of the programming works so I can use more of it.
Kathy G
2016-02-23
I LOVE pdffiller, but need to know more about how to use it. For instance, how can I hide the "establishing a secure connection" message when the form loads on my webpage? And how to change the color of the highlighted fields?
Janet S
2017-01-21
My main reasons for using PDFfiller.com is so that I can fill out and sign forms to email; and our customers can fill out and sign our forms more conveniently.
Diana
2019-05-13
What do you like best?
has all the forms i need and stores copies I have created for me
What do you dislike?
There is not much I dislike about this product
What problems are you solving with the product? What benefits have you realized?
easier billing
Lawrence Fleischman
2019-05-21
What do you like best?
I think it has all the features that other pdf signing software offers and it's well priced! I use it on a regular basis for all my pdf signing needs.
What do you dislike?
I think user interface can be improved but so far I've gotten used to it so it's not so bad.
Recommendations to others considering the product:
It really is a great tool, and well priced compared to the other competitors in the field
What problems are you solving with the product? What benefits have you realized?
I've been able to sign and fill out pdfs faster than ever. I've been able to have my real estate contracts signed quickly and effortlessly from my clients.
Gary Wong, MBA
2019-10-07
A great replacement for Photoshop Adobe Acrobat Pro! I love this tool - I can now replace Photoshop with an affordable option for creating fillable PDFs!
Donna Moritz
2020-01-23
It gives me a lot of options to pdf editing It gives me a lot of options to pdf works that I did not find somewhere else, and even when I cannot readily pay for the service, I was given a trial with no gimmicks attached
Andre
2023-01-09
Love this app very easy to use Love this app very easy to use. I highly recommend for applications that require "fill in" sections, majority of us have terrible handwriting and there is nothing more annoying than explaining what you wrote. Also you want to ensure your application is submitted as quickly and efficiently as possible.
hexadismal
2025-05-20

Password Protect PDF and Encrypt PDF for Mac

Secure your sensitive documents with Password Protect PDF and Encrypt PDF for Mac. This feature ensures that only authorized users can access your files, giving you peace of mind.

Key Features

Easily add password protection to your PDF files
Encrypt PDFs to prevent unauthorized access
User-friendly interface for quick and easy use
Compatible with all Mac devices
Customizable encryption levels for added security

Potential Use Cases and Benefits

Protect sensitive business documents from prying eyes
Safeguard personal information shared through PDF files
Ensure compliance with data protection regulations
Share encrypted files with confidence
Create secure archives of important records

This feature helps you solve the problems of data security and privacy. By encrypting your PDFs, you prevent unauthorized access and ensure that your sensitive information remains confidential. Easy to use, this tool offers the protection you need in today’s digital world.

Get documents done
from anywhere

Create, edit, and share PDFs even on the go. The pdfFiller app equips you with every tool you need to manage documents on your mobile device. Try it now on iOS or Android!

For pdfFiller’s FAQs

Below is a list of the most common customer questions. If you can’t find an answer to your question, please don’t hesitate to reach out to us.
What if I have more questions?
Contact Support
Remove Known Owner & User Password from PDF with Mac Preview Open the password-protected PDF document with Preview, you will be asked to enter the password. Go to u201cFileu201d and choose u201cPrintu201d. Save as PDF format. In the Security Options, make sure there is no password added to the file.
How to remove PDF password on Mac using Preview Open the file with Preview. Enter the password. Go to File u2192 Export. Rename the file in the Export As field. Uncheck the Encrypt field, if not already. Now, click Save.
Open the PDF document you would like to password protect, select the Tools tab, scroll down to find the Protect & Standardize section, select Protect. 2. The Protect tool bar will appear, select the Encrypt button drop menu. Here you can either Encrypt with a Certificate or Encrypt with a Password.
In the Finder on your Mac, open a window, then Control-click the item you want to encrypt in the sidebar. Choose Encrypt [item name] from the shortcut menu. Create a password for the disk and click Encrypt Disk. Important: Be sure to record and keep this password in a safe place.
Require a password to open a document Choose File Set Password (from the File menu at the top of your screen), enter the requested information, then click Set Password.

How to Password Protect PDF and Encrypt PDF for Mac - video instructions

#1 usability according to G2

Try the PDF solution that respects your time.
Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
High Performer - Summer 2025
Regional Leader - Summer 2025
Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025