Kleopatra -

Kleopatra acts as a visual interface for the GNU Privacy Guard (GnuPG), providing several essential security tools: How To Use PGP Encryption | Kleopatra Tutorial

Kleopatra is a certificate manager and unified crypto GUI used to manage OpenPGP and S/MIME certificates and to encrypt, decrypt, and verify files or clipboard content. It is a core component of the Gpg4win package and is designed to make advanced encryption features accessible to both beginners and advanced users. kleopatra