Add password protection and security to your PDF files with our free encryption tool. All processing happens in your browser for maximum security.
All encryption happens locally in your browser. Your files and passwords never leave your device, ensuring complete privacy.
No server uploads or downloads. Protect PDFs instantly with client-side encryption technology.
Uses industry-standard encryption methods to ensure your protected PDFs remain secure against unauthorized access.
Compatible with all modern browsers on desktop, tablet, and mobile devices. No software installation required.
Protect sensitive business documents, contracts, and financial reports from unauthorized access.
Secure personal documents containing private information like tax returns, medical records, or legal papers.
Add password protection before sending sensitive documents via email to ensure only intended recipients can access them.
Protect documents before uploading to cloud storage services for an extra layer of security.
Click the upload area or drag and drop the PDF file you want to password protect.
Enter a strong password and confirm it. The password will be required to open the protected PDF.
Click "Protect PDF" and download your password-protected document. Share the password securely with authorized users.
Use a combination of uppercase and lowercase letters, numbers, and special characters. Aim for at least 12 characters for better security.
Store passwords securely using a password manager. Never share passwords through unsecured channels like email or text messages.
When sharing protected documents, communicate the password through a separate, secure channel from the document itself.
Password protect PDF files online with our advanced encryption tool that adds secure password protection to PDF documents. Our free PDF protection tool uses industry-standard encryption methods to ensure your sensitive documents remain secure from unauthorized access.
Perfect for protecting confidential business documents, personal files, and sensitive information before sharing or storing. Our PDF encryption tool adds password protection while maintaining document quality and compatibility across all PDF viewers and devices.
Advanced security features: strong encryption algorithms, password strength checking, secure local processing, and instant protection. All encryption happens locally in your browser, ensuring complete privacy and security for your sensitive documents and passwords.
Essential for businesses, professionals, and individuals needing to secure PDF documents with password protection. Our tool provides military-grade encryption while maintaining ease of use and accessibility across all platforms.
We use industry-standard encryption methods. The security depends on the strength of your password - use a strong, unique password for maximum protection.
Yes, you can use our "Unlock PDF" tool to remove password protection if you know the current password.
If you forget the password, there's no way to recover it or access the document. Make sure to store your password securely.
No, passwords are only used locally in your browser for encryption and are never stored or transmitted anywhere.
Related PDF tool for your document processing needs.
Related PDF tool for your document processing needs.
Related PDF tool for your document processing needs.