Lock a PDF on Mac - use DocHub for enhanced security

Aug 6th, 2022
Icon decoration
0
forms filled out
Icon decoration
0
forms signed
Icon decoration
0
forms sent
Service screenshot
01. Upload a document from your computer or cloud storage.
Service screenshot
02. Add text, images, drawings, shapes, and more.
Service screenshot
03. Sign your document online in a few clicks.
Service screenshot
04. Send, export, fax, download, or print out your document.

Learn how to Lock a PDF on Mac online in a few simple steps

Form edit decoration

Password-protecting a document is the best way to secure its content and make sure it won’t be submitted to the wrong hands. Depending on your gadget, a lot of apps can help you add an extra layer of protection to documents on which you keep sensitive data. However, the most proven and straightforward way of doing it is using DocHub.

Here’s a quick tutorial on how to Lock a PDF on Mac without too much headache:

  1. Head to the upload page and select how you want to upload a file.
  2. Once added, the app will redirect you to DocHub’s editor.
  3. Use our editor’s top toolbar to modify, annotate and improve and certify your file.
  4. Click on the download button in the upper-right corner.
  5. Tick the option Password Protect and hit Download or Export to Drive, depending on your preferred saving option.
  6. Come up with a strong password and download or save the file.

Use our feature to Lock a PDF on Mac as many times as you want. Get more flexibility and security, and control over your crucial documents with DocHub. Try it now!

PDF editing simplified with DocHub

Seamless PDF editing
Editing a PDF is as simple as working in a Word document. You can add text, drawings, highlights, and redact or annotate your document without affecting its quality. No rasterized text or removed fields. Use an online PDF editor to get your perfect document in minutes.
Smooth teamwork
Collaborate on documents with your team using a desktop or mobile device. Let others view, edit, comment on, and sign your documents online. You can also make your form public and share its URL anywhere.
Automatic saving
Every change you make in a document is automatically saved to the cloud and synchronized across all devices in real-time. No need to send new versions of a document or worry about losing information.
Google integrations
DocHub integrates with Google Workspace so you can import, edit, and sign your documents directly from your Gmail, Google Drive, and Dropbox. When finished, export documents to Google Drive or import your Google Address Book and share the document with your contacts.
Powerful PDF tools on your mobile device
Keep your work flowing even when you're away from your computer. DocHub works on mobile just as easily as it does on desktop. Edit, annotate, and sign documents from the convenience of your smartphone or tablet. No need to install the app.
Secure document sharing and storage
Instantly share, email, and fax documents in a secure and compliant way. Set a password, place your documents in encrypted folders, and enable recipient authentication to control who accesses your documents. When completed, keep your documents secure in the cloud.

Drive efficiency with the DocHub add-on for Google Workspace

Access documents and edit, sign, and share them straight from your favorite Google Apps.
Install now

How to Lock a PDF on Mac

4.6 out of 5
18 votes

[Music] welcome to tips and tricks today were going to show you how to lock a PDF file on your Macintosh so that no one can access about you unless you or they have the correct password to get in so the PDF file could contain some confidential information banking information or a report that has people salaries in it things like that so if you need to lock it down its actually pretty easy on the Mac so we have some files here that we want to make confidential in our Documents folder and you can check on our channel we have another series showing how to make numbers keynote and pages files confidential as well but lets focus today on this PDF file so this PDF file here is one that we want to make confidential so if we double click on it then the preview application will open and thats the default application for opening images and PDFs on the Mac now if you have docHub Reader or just any of the pro versions of docHub it may open the file and to add a password is a dif

video background

Got questions?

Below are some common questions from our customers that may provide you with the answer you're looking for. If you can't find an answer to your question, please don't hesitate to reach out to us.
Contact us
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.
To prevent users from editing your form fields in a fillable PDF, you must flatten or lock the form before saving. Open a fillable form and add the necessary data.
You can set files to read-only mode through your operating systems basic tools. On Windows, just right-click your PDF and select Properties Read-only OK.
Lock PDFs and images in Preview on Mac In the Preview app on your Mac, open a PDF or image. Move the pointer next to the documents name in the title bar, click the arrow that appears, then select or deselect the Locked checkbox.
Lock PDFs and images in Preview on Mac In the Preview app on your Mac, open a PDF or image. Move the pointer next to the documents name in the title bar, click the arrow that appears, then select or deselect the Locked tickbox.
Use integrated read-only settings. On a Mac computer, the process is a little more complex. Select the PDF and click File Get Info. You can then set access rights under the Sharing Permissions tab. This is an easy method to protect your PDFs but it can also be unreliable.
Lock a document on Mac Lock a closed document: Select it, choose File Get Info, click the arrow next to General, then select Locked. Lock an open document: Hold the pointer to the right of the document title, click the down arrow , then select Locked.

See why our customers choose DocHub

Great solution for PDF docs with very little pre-knowledge required.
"Simplicity, familiarity with the menu and user-friendly. It's easy to navigate, make changes and edit whatever you may need. Because it's used alongside Google, the document is always saved, so you don't have to worry about it."
Pam Driscoll F
Teacher
A Valuable Document Signer for Small Businesses.
"I love that DocHub is incredibly affordable and customizable. It truly does everything I need it to do, without a large price tag like some of its more well known competitors. I am able to send secure documents directly to me clients emails and via in real time when they are viewing and making alterations to a document."
Jiovany A
Small-Business
I can create refillable copies for the templates that I select and then I can publish those.
"I like to work and organize my work in the appropriate way to meet and even exceed the demands that are made daily in the office, so I enjoy working with PDF files, I think they are more professional and versatile, they allow..."
Victoria G
Small-Business
be ready to get more

Edit and sign PDF for free

Get started now