Add strong 256-bit AES encryption to your PDF documents instantly.
Click to select PDF or drag and drop
Your files never leave your device.
This password will be required to open the PDF.
If provided, usage restrictions will be applied. Leave empty for no restrictions.
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Select the PDF document you want to secure.
Enter a password to open the file and optionally an owner password for restrictions.
Click 'Encrypt PDF' and download your secured file immediately.
In an era of digital data breaches, securing your sensitive documents is more important than ever. ApexPDF provides high-grade 256-bit AES encryption to ensure your PDFs are protected from unauthorized access.
Our encryption tool is unique because it works entirely in your browser. Your passwords and documents are never transmitted to any server, giving you complete peace of mind when handling confidential information.
We use industry-standard 256-bit AES encryption to lock your files securely.
Optionally prevent others from printing, copying, or modifying your document.
Safety first: All encryption happens locally. No data ever leaves your device.
Secure as many documents as you need without any subscription or limits.
Yes! ApexPDF is 100% free with no hidden fees, no signup required, and unlimited file processing.
Absolutely! All processing happens in your browser. Your files never leave your device, ensuring complete privacy.
No! Process files of any size, as many times as you want, completely free.