This is a file encryption and decryption tool for Google Drvie and your local files. It allows you to encrypt your files so that no one can look at them.
You can select files to encrypt/decrypt from your local computer or from Google Drive. and you can directly save the converted files to Google Drive.

This app uses powerful encryption algorithms (AES with 128 bit key). This app does not save or share the file you select. It only works locally without going through the server. (HTML5 technology) It's very safe, and guarantees privacy.