Secure your sensitive documents with military-grade encryption in seconds
Protect & Lock DOCX is a completely free online tool that allows you to add password protection to your Microsoft Word documents. With our state-of-the-art encryption technology, you can safeguard your confidential files from unauthorized access.
Whether you're sharing financial reports, legal documents, or personal information, our tool ensures that only authorized individuals with the correct password can open your DOCX files. No registration required - your files are processed securely in your browser and never leave your device.
Your password-protected document will appear here after processing. Download it securely to your device.
Uses AES-256 encryption, the same standard trusted by governments and security experts worldwide.
Protect documents in seconds with our optimized processing engine. No waiting times.
All processing happens in your browser. Your files never leave your computer.
No subscriptions, no hidden fees. Protect unlimited documents at no cost.