Military-grade AES-256 encryption tool for securing multiple files with complete privacy protection. Encrypt and decrypt photos, documents, archives, and any file type - all processing happens locally in your browser. No data ever leaves your device, ensuring maximum security for sensitive files.
🔒 Encrypt Files
🔓 Decrypt Files
Drop files here or click to select multiple files
Maximum total size: 500MB | Multiple files supported
💡 Use uppercase, lowercase, numbers, and symbols for best security
Drop encrypted .sfv file or .zip vault here
Supports single .sfv files or multi-file .zip vaults
📖 How to Use Secure File Vault
To Encrypt Multiple Files:
- Select one or multiple files (total up to 500MB)
- Create a strong vault password (minimum 12 characters)
- Confirm your password
- Click "Encrypt & Download Vault" to get your encrypted .zip file
To Decrypt Files:
- Upload your .sfv encrypted file or .zip vault file
- Enter the vault password you used during encryption
- Click "Decrypt Files" - multiple files will be downloaded automatically
⚠️ Important Security Notice:
All encryption happens in your browser - files never leave your device. If you lose your password, files cannot be recovered. This is intentional for maximum security. Store your passwords safely!
🔬 Technical Details
- Algorithm: AES-256-GCM (military-grade authenticated encryption)
- Key Derivation: PBKDF2-SHA-256 with 600,000 iterations
- Privacy: 100% client-side, zero server interaction
- File Format: .sfv (single files) or .zip (multiple files)
- Batch Processing: Encrypt/decrypt multiple files simultaneously
- Metadata Protection: Original filenames and types encrypted
- Max Total Size: 500MB per vault
- Chunk Processing: 1MB chunks for optimal memory usage
- Integrity Check: SHA-256 hash verification for file integrity
