AI summary
Offline-first text encryption tool using AES-256-GCM with Argon2id key derivation. Blocks screenshots, stores no data, and requires no internet permission. Open source on GitHub.
Generated by AI. May contain inaccuracies.
About this app
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.
About this version
- Version
- 2.1.1 (10)
- Size
- 10.44 MB
- Requires Android
- 7.0
- Target SDK
- 24
- Architecture
- x86_64, arm64-v8a, armeabi-v7a, x86
- Downloads
- 3
- Updated
- Aug 11, 2026
- Package
- com.cryptosafe.app
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