Encrypt and decrypt files with this tool. A GnuPG Frontend GUI made in C#. It is compatible with PGP as well so it can be a very useful tool for encryption/decryption. It also incorporates a shell extension so it can be easy to right click and decrypt or decrypt.
GnuPGk Features:
1. Shell Extension "Easy right click Encrypt\Decrypt
2. Tray Icon
3. Encrypt\Decrypt Clipboard

The license of this software is Free, you can free download and free use this file encryption software.