Military-grade encryption for your documents. Securely protect your files with AES-256 encryption - all processing happens locally in your browser.
Encrypting your document securely...
Your document is securely encrypted!
All files are encrypted with AES-256, the same standard used by governments and security experts worldwide.
Your files never leave your browser. We never see or store your documents or passwords.
Encrypt or decrypt files in seconds with our optimized browser processing.
Works on all devices - desktop, tablet, and mobile with responsive design.
Our encryption process ensures your documents remain completely private and secure
Select any file from your device. We support all common document formats.
Create a strong encryption password. This password is required to decrypt later.
Download the encrypted file. Share it securely knowing only authorized users can access it.
Find answers to common questions about document encryption and security
Yes, Protect & Lock DOCS is completely free to use. We believe in providing essential security tools to everyone without cost barriers.
No, your files never leave your browser. All encryption happens locally on your device, and we don't have access to your documents or passwords.
Unfortunately, we cannot recover your password as we never store or transmit it. Make sure to use a password manager or store it securely.
You can encrypt any file type - documents, images, videos, archives, etc. There are no restrictions on file types.
Yes, we use AES-256 encryption, which is the industry standard for securing sensitive data. It's approved for use by government agencies.
Absolutely! Our tool is fully responsive and works on all modern smartphones, tablets, and desktop computers.
Protect & Lock DOCS is a completely free online tool that allows you to encrypt your important documents with AES-256 encryption directly in your browser. This powerful tool helps you secure sensitive files before storing them in the cloud, sending via email, or transferring to external drives.
In today's digital world, document security is more important than ever. Whether you're protecting financial records, legal documents, personal information, or business contracts, encryption ensures that only authorized individuals can access your files. Our tool provides:
Our document encryption tool offers significant advantages for both personal and professional use:
Document encryption is essential for:
Protect & Lock DOCS puts powerful encryption technology in your hands with an intuitive interface that anyone can use. Start securing your documents today - no technical expertise required!