Unlock PDF and Lock PDF for Mac Kostenlos

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Discover the simplicity of processing PDFs online

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Upload your document in seconds
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Fill out, edit, or eSign your PDF hassle-free
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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

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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.
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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.
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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.
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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.
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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.
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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:
Form was simple enough. I don't like the fact that when you reach the end you have to pay for the darn thing! Please disclose that information up front will ya!
Cheryl B
2014-09-10
editing document is fine. Underlining is hard to figure out. Simply saving for future use (not exporting) is not clear but I stumbled on a solution that I hope will work.
CS
2016-10-02
I really like the program; however, when I save I get logged out. I have not been successful at using any form except the Offer to Purchase. I need addendums.
BJ P
2018-10-24
Excellent product never had an issue so can't tell you what support is like. Upload, fill and print Quick and easy to work with. Have used other pdf products and this is best for the price. Easy of use and no software to download. Cloud storage is great my documents are all stored where I know they are for future modifications. Worry about encryption and security of stored documents but most of my work is not confidential so that is one reason I use it.
Debbie B.
2017-11-14
Great support from the team, especially Kara Over two days I talked to several agents. Kara was able, with great patience and time commitment, to solve my problem. Anything I have paid for the program and year subscription was was worth the service I got. I hope she is recognized as the best! Thanks to the program but most of all to her. Great job!
Mel
2024-10-13
it did take me awhile to figure things out because I am older, I didn't realize that I couldn't upload my documents until I subscribed to the free trial
Joanne B
2024-08-29
Our previous subscription was deactivated because no one seem to know the login or password for the account. It was assumed a temp employee had subscribed who is no longer employed. Difficulty accessing and filling online forms prompted us to re-subscribe. This morning's experience has been great and we plan to continue using this application.
Evelyn C. K
2024-01-29
the features are good, but the interfaces are a bit clunky. For example creating document sub folders wasn't as intuitive as other applications. Additionally there are some documents I would like to move to Trash, but once it been sent out for E-sign it appears it can't be trashed, so I had to move them to a folder.
Gabe C
2024-01-16
Very easy to use Very easy to use. Could perhaps be upgraded by getting you directly to one point you'are looking for in you document (pdfiller only underline the searched element but don't bring you to it).
Johan
2021-10-10

Unlock and Lock PDF for Mac

Manage your PDF files effortlessly with our Unlock PDF and Lock PDF features for Mac. Protect your sensitive documents or gain access to locked PDFs in just a few clicks. This user-friendly solution ensures your files are secure, while also allowing you to open those that have been locked.

Key Features

Easily unlock secured PDF files for editing and viewing
Set passwords to lock your PDFs for secure sharing
User-friendly interface for smooth navigation
Support for various PDF formats and sizes
Fast processing without quality loss

Potential Use Cases and Benefits

Access PDF documents sent by colleagues or clients that are password protected
Lock sensitive documents before sending them through email
Protect business proposals, contracts, or personal information
Collaborate easily without compromising security
Maintain control over who can view or edit your PDFs

With our Unlock PDF and Lock PDF features, you can solve common PDF challenges effectively. Unlocking a document allows you easy access when you need it, while locking your files ensures they remain safe from unauthorized viewing. Whether for work or personal use, these features empower you to take control of your PDF documents.

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
Right-click on the locked PDF file. Select Open with Followed by Preview. Type the password and press Enter. The file is opened now. Enter the location to Save the locked PDF file, Uncheck the Encrypt option before saving the PDF document.
Just right-click on the PDF file you wish to protect and select Open With followed by Preview. It will launch the file in Preview on your Mac. Since the file is password protected, the app should ask you to enter the password for the file before you can view its content.
In the Preview app on your Mac, open the PDF that you want to password-protect. Choose File > Export, then select Encrypt. You can also enter a new name for the PDF if you want to create a pass worded copy and keep the original PDF unencrypted. Type a password, then retype it to verify the password. Click Save.
Download the PDF file on your Mac. Go to Finder > locate your file and double-click it to open it in Preview. Enter the password to unlock the PDF document. Once your PDF file is unlocked, click on File > Export as PDF > enter the file name and set its destination > hit Save.

#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