RotorCrypt X
Free offline encryption – encrypt your message before sending
RotorCrypt X is a free offline encryption tool for Windows 10/11 that protects your private messages with six security layers — unreadable even if all files are stolen.
Works with any messenger: encrypt your text, then send it via WhatsApp, Signal, email, or any app you use — the other side decrypts it there.
Six layers: rotor cipher with up to 50 rotors and 241-digit key combinations. Military-grade AES-256 encryption. Modern key derivation with Perfect Forward Secrecy. Strong password...