CryptoSafe
Offline AES-256-GCM text encryption with Argon2id
Version: 1.3.0
Added: 01-07-2026
Updated: 20-07-2026
Added: 01-07-2026
Updated: 20-07-2026
CryptoSafe is a lightweight, offline-first Android app for military-grade text encryption. Your data never leaves your device.
Features:
• Strong Encryption: AES-256-GCM with Argon2id key derivation (128 MiB, 4 iterations)
• 100% Offline: No internet permission needed. Your data never leaves your device
• Screenshot Blocked: FLAG_SECURE prevents accidental leaks
• Zero Storage: No logs, no cache, no database
• Modern UI: Material 3 design with dark theme and smooth animations
• Copy & Clear: One-tap copy and quick clear of sensitive fields
Perfect for journalists, activists, and anyone who needs to encrypt sensitive text messages without relying on cloud services or internet connectivity.
Features:
• Strong Encryption: AES-256-GCM with Argon2id key derivation (128 MiB, 4 iterations)
• 100% Offline: No internet permission needed. Your data never leaves your device
• Screenshot Blocked: FLAG_SECURE prevents accidental leaks
• Zero Storage: No logs, no cache, no database
• Modern UI: Material 3 design with dark theme and smooth animations
• Copy & Clear: One-tap copy and quick clear of sensitive fields
Perfect for journalists, activists, and anyone who needs to encrypt sensitive text messages without relying on cloud services or internet connectivity.