Password protect your PDF files instantly with our free online tool. Add AES-256 encryption, secure your documents privately in browser - no uploads required.
Click to upload or drag and drop your PDF file here
For your privacy, all processing happens directly in your browser. This means:
A simple 6-step process to secure your PDF files with password protection.
Select your PDF file by clicking the "Select PDF" button or dragging and dropping your file into the selection area.
Once selected, you'll see the file information displayed. Enter a strong password and confirm it to protect your PDF document.
Click "Protect PDF" to process your file and add AES-256 password protection. All processing happens securely in your browser.
Once processing is complete, you can download your protected PDF file that will require the password to open.
Use strong passwords with a mix of uppercase, lowercase, numbers, and symbols. Avoid personal information or common words.
Always test your protected PDF by opening it with the password to ensure the protection is working correctly.
Professional-grade security with complete privacy and instant processing.
All PDF encryption processing happens directly in your browser. Your PDF files and passwords never leave your device, ensuring complete privacy and security for your sensitive documents.
Password protect your PDFs instantly without waiting for uploads or downloads. Our fast browser-based encryption tool saves you valuable time while securing your documents.
Secure your PDF documents with industry-standard AES-256 encryption technology - the same level of security used by banks and government agencies worldwide for protecting classified information.
Use our tool on any device with a modern browser - desktops, laptops, tablets, or mobile phones.