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