Boxcryptor

Boxcryptor is easy-to-use encryption software optimized for the cloud. It allows the secure use of cloud storage services without sacrificing privacy and comfort. Boxcryptor supports all major cloud storage providers (such asDropbox,Google Drive,OneDrive,Box, SugarSync and many more)on all platforms (desktop and mobile). With Boxcryptor, your files go protected to your cloud provider and you can enjoy peace of mind.

Boxcryptor is available on all platforms (Windows, Mac OS X, Android, iOS, Windows Phone, Blackberry 10, Linux, Windows RT) and allows you to encrypt files at more than 20 storage providers (Dropbox, Google Drive, OneDrive, iCloud and many more).