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Protect PDF Files

Subscribers can protect PDF files by the following methods:

Protect a PDF File with Password

Tip: When opening a PDF file protected with a password, you will be required to input the password first.

Restrict Document Permissions

Tip: The password is needed if you want to remove the restricted document permissions.

Protect a PDF File with Certificate

Tips:

Protect PDF Information with Redaction

Foxit PDF Reader Mobile allows subscribers to permanently redact text, images, and pages to protect confidential information.

Redact Text or Image

Redact Pages

Search and Redact Text

For searchable PDF documents, you can redact specific text in a PDF file by search.

Tips:

1. To exit the redaction mode, tap the Back icon on the toolbar on the top.

2. Before applying the redaction, you can tap any marked items and choose Delete to cancel redacting the item. Once applied, the marked content will be permanently redacted and removed. Since the operation cannot be undone, it is recommended that you save a copy of the PDF document before redaction.

Remove Security Settings

Tip: The password is needed if you want to remove the restricted document permissions.