CryptoChat - Secure Messaging

CryptoChat encrypts any text with AES-256-GCM authenticated encryption so you can share it safely through WhatsApp, Telegram, Signal, email, or any messaging app.

No account. No login. No server. No tracking. No analytics. The app doesn't even have internet permission. Everything happens offline on your device.

Features:

AES-256-GCM with PBKDF2-SHA256 key derivation (100,000 iterations)
Smart auto-detection: paste text and the app knows whether to encrypt or decrypt
One-tap share to any messaging app
QR code generation and scanning
Strong password generator
Matrix rain animation with terminal-style interface
Quick Settings tile and home screen widget
5 languages: English, Italian, Spanish, French, German
Premium (one-time purchase):

Unlimited encryptions
Multi-level encryption (up to 5 nested rounds)
Different password per level
5 extra themes