It only takes a few clicks to Lock PDF Files in macOS For Free
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Every PDF tool you need to get documents done paper-free

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.

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.

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.

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.

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.

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
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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:
when I cancelled a duplicate purchase my account showed that I had expired but within just a few minutes the email was answered and I was on the road to using this product. very happy
2015-03-12
My experience has been wonderful. I paid a lot of money for a divorce site that would allow me to use fillable forms. It was frustrating from the beginning. I started using PDFfiller instead, and requested a full refund from the other service. They refunded my money. I have had great luck finding everything I need for this divorce. Your help support is great! I would certainly recommend this company/service to anyone.
2015-07-25
It's pretty good. There is a delay from when I type till when the text appears in the text box.Also, I don't like have each field with a help box. I know I can X it out but it gets in the way when I want to go fast. I do like that it goes automatically from one field to the next such as with the dates.
2017-08-09
Very great tool for any business…
Very great tool for any business regardless of size. It makes things so easier to be able to complete transactions seamlessly.
2019-05-08
Fill it out!
Overall, I love when this is available to use for forms I need to fax or email.
I love the feature of being able to fill the form out online. Very easy to use and beats having to fill in by hand, scan and send.
I am not quite sure how to do this myself and have to ask IT to assist in making the form fillable for me.
2019-12-04
Program is very user friendly.
Able to properly prepare and submit IRS Form 941.
Easy to use and instructions on usage is very user friendly. Cost to use the system is affordable. Ability to save documents is crucial to church finances.
2017-11-14
The site was a little bit slow
The site was a little bit slow, but it had tons of useful features, and I found the user interface much more intuitive than Adobe reader. I'd recommend it to anyone.
2023-08-26
What do you like best?
I like how easy it is to load my documents into pdfFiller & the multiple option for export when I'm finished.
What do you dislike?
Not a fan of the constant email verification especially since I've been using it for 3 years now & this is something just started in 2020 (it seems)
What problems are you solving with the product? What benefits have you realized?
I don't have a fax so its much easier for me to receive email documents, sign them with the signature feature in pdfFiller, and send directly to the recipient from the program. I get a notification, too, telling me my document has been downloaded. This has helped me a lot lately.
2020-08-06
PDF Filler is a great program to add to…
PDF Filler is a great program to add to any small business. It is very easy to use and has handled all my needs to this point.
2020-05-01
Lock PDF Files in macOS
Protect your sensitive documents with the Lock PDF Files feature in macOS. This functionality enables you to secure your PDF files effortlessly, giving you peace of mind.
Key Features
Password protection to restrict access to your files
Simple interface for easy file locking
Compatibility with various PDF readers
Ability to unlock files quickly when no longer needed
Support for encryption to enhance security
Potential Use Cases and Benefits
Protect personal documents, such as tax returns or financial records
Secure work-related files containing client information or company data
Share sensitive files while preventing unauthorized access
Ensure compliance with data protection regulations
Maintain confidentiality during collaboration with others
By using the Lock PDF Files feature, you can effectively restrict access to your documents. This solution addresses common concerns about data leaks and unauthorized sharing. Now, you can share information without worrying about prying eyes.
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
Can you lock PDF files?
Open the PDF and choose Tools > Protection > Encrypt > Encrypt with Password 6. If you receive a prompt, click Yes to change the security. 7. Select Require A Password To Open The Document, then type the password in the corresponding field.
Is there a way to lock a File on Mac?
Lock a closed document: Select it, choose File > Get Info, then select Locked. Lock an open document: Hold the pointer to the right of the document title, click the down arrow , then select Locked.
What happens when I lock a PDF on a Mac?
You can lock a PDF or image so that it can't be edited or deleted. If you own a locked document, you can edit the document after unlocking it. Others can change the document's contents only by creating a duplicate of the document and editing the duplicate.
How do you lock a PDF from editing on a Mac?
Manage permissions for a PDF In the Preview app on your Mac, open a PDF. Choose File > Edit Permissions, then do any of the following: Set a password for opening the PDF: Select Require Password To Open Document. Enter a password, then retype it to verify. ... Click Apply to save your changes.
Video instructions on how to Lock PDF Files on macOS
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