Protect PDF
Password protect & encrypt your PDF — 100% free, private & browser-based.
Click to select or drop PDF here
PDF files only • Processed entirely in your browser
Select PDF
PDF Security Settings
Document Preview
First page preview of your PDF
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Open Password
Required to open the PDF
Password Required
Confirm Password
Owner Password
Controls permissions — optional but recommended
Owner Password Optional
Confirm Owner Password
PDF Permissions
Configure what users can do with the protected PDF
Printing
Content Access
Editing
Annotations & Forms
Encryption Settings
Select encryption strength
Military Grade Encryption