PDF Encryption Tool
Secure PDF files with military-grade AES-256 encryption directly in your browser. Encrypt/decrypt sensitive documents without uploading to servers – 100% client-side processing ensures complete privacy.
Drag & Drop PDF or Click to Upload
Drag & Drop PDF or Click to Upload
Protect Sensitive Documents with Browser-Based PDF Encryption
Securing confidential documents is crucial in today’s digital age. Our revolutionary PDF Encryption Tool provides enterprise-grade security through pure browser-based processing, ensuring your sensitive files never leave your device.
Why Choose Our PDF Security Solution?
Military-Grade Protection: Utilizes AES-256 encryption, the same standard used by governments and financial institutions
Zero Server Uploads: All processing happens in your browser – no files transmitted online
Cross-Platform Compatibility: Works seamlessly on Windows, Mac, iOS, and Android devices
Instant Results: Encrypt/decrypt documents in seconds with simple drag-and-drop functionality
Key Features:
🔒 Client-side encryption/decryption
🔐 PBKDF2 password key derivation
📁 Support for large PDF files
🛡️ Automatic memory cleanup
📲 Mobile-friendly interface
Perfect For:
Legal professionals handling confidential contracts
Financial advisors securing client information
Healthcare workers protecting patient records
Students safeguarding research documents
Businesses maintaining proprietary information
How It Works:
Encryption: Upload PDF ➞ Set Password ➞ Download Protected File
Decryption: Upload Encrypted PDF ➞ Enter Password ➞ Access Original Document
Unlike cloud-based alternatives, our tool ensures complete privacy through local processing. The open-source crypto implementation uses Web Crypto API standards, verified by security experts. All encrypted files contain unique security parameters (salt + IV) for each operation, making brute-force attacks virtually impossible.
Benefits:
✅ No registration required
✅ Free to use indefinitely
✅ Preserves original PDF quality
✅ Works offline after initial load
✅ Regular security updates
Whether you need to protect tax documents, business proposals, or personal records, our tool provides enterprise-level security without complex software installations. The intuitive interface makes PDF protection accessible to everyone – from tech novices to security professionals.
Start Securing Your Documents Today
Experience peace of mind knowing your confidential PDFs are protected by cutting-edge cryptography. Bookmark this free tool for quick access when sending sensitive documents electronically.