How to Encrypt PDF Documents

Increase your PDF's security by adding password protection to your PDF documents.

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Secure PDFs with Password Protection

Password protect your PDFs to make sure only the intended recipients can view and edit them. You can add passwords and encrypt PDF files to ensure they don’t fall into the wrong hands.

Mac

Windows

How to encrypt PDFs on Mac

PDF Reader Mac version lets you encrypt one and more PDFs in a batch process:

Set Password for the Existing PDF:

1

Download PDF Reader Mac version and launch the app.

2

Open the PDF you want to encrypt.

3

Click on the Tool menu from the top menu bar.

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4

Select the Security option and choose Set Passwords

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Add a password to the PDF to secure the content from being viewed, copied, and printed by unauthorized access.

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Press Encrypt to continue

Set Password for Multiple PDFs in a Batch

1

Switch to the Management mode.

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2

Click on the Security button on the top toolbar and select the Set Passwords option.

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3

Choose one or more PDFs you want to encrypt.

4

Select if you want to set the password for viewing or editing the PDFs.

5

Press Encrypt, and then the encryption will apply to all files.

Why We need to Encrypt PDFs

PDF format is a commonly used file format for sharing information, but sometimes we don't want it to be widely distributed.Here are some instances why you need to secure your PDF documents:

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Stop Unwanted Sharing

You can provide access to PDFs with individualized encryption keys instead of using a general password.It helps prevent individuals from leaking PDFs and identify the source of the copy.

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PDF Compliance

If you run a business dealing with customers' private information, it requires you to comply with GDPR.Using PDF encryption can ensure their data is adequately protected.

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Control Permissions

Use password protection to disable the ability to print and copy the contents from PDFs. You can control what users can do with your PDF file.

For more instances on how to manipulate PDF documents with PDF Reader, check out pro tips here.

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