All encryption happens in your browser. Your files never leave your device.

VaultKey

A browser-based file encryption tool that keeps your data private. Encrypt and decrypt files locally using zero-knowledge encryption — no files or passwords ever leave your device.

👨‍💻
Developer

Created by

Ujjwal Raghuvanshi

Building practical security tools for everyday use

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© 2025 VaultKey. Built with React and Web Crypto API

Zero-knowledge encryption•Client-side only
VaultKey

Secure File Encryption

Encrypt and decrypt your files locally in your browser with military-grade AES-256-GCM encryption. Zero-knowledge architecture ensures complete privacy.

Encrypt File
Upload a file and set a strong password to encrypt it

Downloads a plaintext copy of your original file

⚠️ Warning: Backup is unencrypted. Store it securely!

Use .dat extension and hide original file type