GpgFrontend is a modern, cross-platform, open-source GUI for
OpenPGP encryption—simple enough for beginners, powerful enough for
experts, and portable enough for everyone who values security and
flexibility.

With GpgFrontend, you can rapidly encrypt, decrypt, and digitally sign
texts, files, and emails with one click. The tool supports true
cross-platform portability, allowing you to run it directly from a USB
drive and transfer your keys and settings seamlessly between Windows and
Linux. Multiple independent key databases let you manage identities for
different roles, projects, or teams—all with comprehensive algorithm
support through the latest GnuPG.

• One-click Encryption and Signing — Instantly encrypt, decrypt, and sign texts, files, and emails.
• Truly Cross-platform — Native support for Windows, macOS, Linux, and buildable on FreeBSD.
• Fully Portable — Run from a USB drive; seamlessly move keys and settings between systems.
• Secure and Simple Key Transfer — Safely move your keys and configurations between devices.
• Multiple Independent Key Databases — Easily manage keys for different purposes.
• Comprehensive Algorithm Support — RSA, DSA, EdDSA, ECDSA (NIST, Brainpool), ECDH, and more via GnuPG.

100% free, open-source, and privacy-friendly—no telemetry, privacy by design.