On-the- Fly Encryption for Cloud Storage – Download BoxCryptor

Boxcryptor LogoBoxCryptor is a cryptographic virtual harddisk that encrypts all data on-the-fly using the AES-256 standard. Encrypted data is stored in an arbitrary directory of your choice, e.g. one that is synced to the cloud like your Dropbox folder.

BoxCryptor works on individual files at a time and not on container files. That means no need to resize volumes and no problems to synchronize or backup individual files. When saving files to the virtual harddisk, BoxCryptor encrypts them on-the-fly and stores the encrypted files. When reading files, BoxCryptor decrypts them in real-time so that they are accessible as any other unencrypted file.

BoxCryptor is currently free and requires the .NET Framework 2.0 to run.

Download BoxCryptor


  • Secure storage by using the AES-256 standard (Advanced Encryption Standard with a key size of 256 bit).
  • Easy and transparent to use.[advt]
  • File-by-File Encryption.
  • Filename Encryption to hide any sensitive information that might be stored in the name of a file or a folder.
  • Multi-Plattform support for Linux and Mac OS X through EncFS-compatibility. Folders encrypted with BoxCryptor under Windows can be mounted with EncFS under Linux and Mac OS X.

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