🖥️ Download for Windows
The simplest way to encrypt and decrypt your messages. No accounts, no cloud — just privacy in your pocket.
Take control of your secure communications with a
lightweight and easy-to-use utility. — Security comes from you.
No accounts. No middlemen. Just Encryption that you control.
Encrypt messages using your contacts' public keys. Only the intended recipient can read them.
Generate and store your key pairs securely on your device. Nothing leaves your phone unless you want to.
No accounts, no ads, no data collection, no permission required. Sirr works completely offline.
