Protect PDF
Encrypt your PDF with a password to prevent unauthorized access.
Select PDF file
or drag and drop PDF here
Encryption Settings
Encryption is performed using 128-bit AES standard. Keep your password safe; it cannot be recovered.
Protect PDF Online – Military-Grade Local Encryption
Keep your sensitive documents safe from unauthorized eyes. Our Protect PDF tool allows you to encrypt your files with a strong password, ensuring that only intended recipients can open them.
We take privacy seriously. The encryption process happens completely on your device. Your password and your unencrypted document never leave your browser, providing a level of security that cloud-based protectors can't match.
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Strong AES-256 encryption
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Completely private local processing
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No hidden cloud storage
How to Protect a PDF
Upload the PDF file you want to secure from your machine.
Enter a strong, memorable password in the protection field.
Click "Protect PDF" to encrypt the document locally.
Download your newly encrypted PDF instantly.
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