About Hermes: Private PGP
Secure PGP key management and encryption. 100% local. No cloud, no accounts.
Hermes: The Quiet Space for Your Digital Truth.
Hermes brings the power of robust PGP cryptography to Android with a human-centric, minimalist design. Inspired by desktop tools like Kleopatra, Hermes is built on a single, uncompromising principle: your private keys never leave your device.
Why Hermes?
In an era of cloud-everything, Hermes offers a sanctuary for your data. No accounts, no subscriptions, and no backend servers. Every cryptographic operation happens locally using the Android Keystore and Bouncy Castle PGP.
Key Features:
- Local Key Management: Generate RSA-4096 or Ed25519 key pairs directly on your phone.
- Total Privacy: Import and export existing keys via .asc or .gpg files without internet exposure.
- Secure Messaging: Encrypt messages and files for multiple recipients with ease.
- Digital Signatures: Sign payloads and verify signatures to ensure authenticity and integrity.
- Zero Knowledge: We don't store your data because we never see it. No telemetry, no cloud sync.
Technical Excellence:
- Modern Stack: Built with Jetpack Compose and Material 3 for a fluid, "Tactile Digital Archive" experience.
- Industry Standard: Fully compliant with the OpenPGP protocol.
- Optimized Performance: Fast encryption and key generation using the latest security libraries.
Take control of your digital identity. Experience PGP the way it was meant to be: private, local, and calm.
What's new in the latest 1.0
Old Versions of Hermes: Private PGP
Super Fast and Safe Downloading via APKPure App
One-click to install XAPK/APK files on Android!



