Protect PDF

Add password protection to your PDF files. Secure your documents with strong encryption.

Drag and drop your PDF file here

or

Maximum file size: 100MB

Set Security

How to Password Protect PDF Files

Secure your sensitive documents with strong encryption and user permission controls

PDF password protection is crucial for securing confidential documents, controlling access to sensitive information, and preventing unauthorized copying or editing. Our tool uses industry-standard 256-bit AES encryption to ensure maximum security.
1

Upload Document

Select the PDF file you want to secure with password protection from your device (up to 50MB). This tool works with any PDF document including contracts, financial reports, legal documents, or confidential materials requiring access control.

2

Create Strong Password

Enter a robust password using a combination of uppercase and lowercase letters, numbers, and special characters. Choose a password that's memorable to authorized users but difficult for others to guess. The system enforces minimum security requirements for optimal protection.

3

Configure User Permissions

Set specific access controls: allow or restrict printing, copying text and images, editing content, adding annotations, filling forms, or extracting pages. These granular permissions ensure users can only perform authorized actions on your protected document.

4

Download Secure PDF

Receive your password-protected PDF with 256-bit AES encryption applied. The secured document will require the password for opening and respect the permissions you set, providing comprehensive protection for your sensitive information.

Strong Encryption

256-bit AES encryption ensures maximum document security

User Permissions

Control who can view, print, copy, or edit your documents

Password Protection

Set strong passwords to prevent unauthorized access

FAQ

Frequently Asked Questions

Understanding PDF security, encryption levels, and document access controls

Yes, our PDF tools are completely free with no hidden charges or subscription required.
Absolutely. All files are encrypted during upload, processed securely, and automatically deleted from our servers after processing.
No account required. You can use all our tools instantly without any registration.
Yes, our tools work perfectly on all devices - desktop, tablet, and mobile.
Most tools support files up to 50MB, with some supporting larger files up to 200MB.

Still Have Questions?

Our support team is available to help you with any questions about protect pdf.

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Pro tip: Use Ctrl+F (Cmd+F on Mac) to quickly search for specific questions

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