QR Security

QR Security – Secure Messaging & Contact Sharing

QR Security revolutionizes the way you communicate by combining end-to-end encryption with QR code technology. Share encrypted messages and contact details safely, without relying on cloud storage or insecure channels. With QR Security, your private conversations stay private.

Perfect for: • Privacy-conscious individuals • Businesses requiring secure data exchange • Teams needing encrypted communication • Anyone who wants to share contact details securely

Key Features: • End-to-End Encrypted Messaging: Military-grade Ed25519, X25519, and ChaCha20-Poly1305 encryption. • Secure Contact Sharing: Exchange encrypted contact info and verify identities via QR codes. • Advanced Key Management: Generate, store, and manage cryptographic keys securely on your device. • Message Management: Organized history with timestamps, multi-recipient support, and sender verification. • Powerful QR Scanner: Fast, reliable scanning with real-time feedback. • Modern UI: Material 3 design, smooth animations, and adaptive dark/light mode. • Privacy First: No cloud storage, no tracking, and complete offline functionality.

Security Highlights: • Zero-knowledge architecture – we never access your messages. • Biometric authentication and auto-lock protection. • Local key generation and encrypted storage. • Protection against man-in-the-middle attacks.

Additional Benefits: • Works fully offline • Easy backup & restore • Multi-language support with RTL compatibility

Why Choose QR Security?

• Complete privacy with local encryption
• Military-grade security for all communications
• Easy to use, no subscriptions required
• Works offline – no internet needed
• Regular updates and security patches