AxCrypt - Password Protect Files With Strong Encryption
Features
The following are features that really set it apart from all other file encryption tools, commercial as well as free:
* Double-click to edit/view with any application.
* Automatic re-encryption after modification.
* Absolutely no user configuration necessary or possible before use.
* Open source under GNU General Public License.
* 12 languages in one executable distribution.
* Extensive command-line interface for scripting and programming.
Other features
* Windows 2003/XP/Vista/2008/7 32- and 64-bit compatible.
* AES encryption with 128-bit keys.
* Edit an encrypted document directly with double-click.
* Optional pass phrase cache - type pass phrases once per logon and/or reboot.
* Automatic pass phrase validation before decryption or editing.
* Key-File generation and support.
* No options or user interface - easy to install and use.
* Relatively light-weight, less than 1Mb download
* Extensive command-line interface.
* Server mode options.
* Support for files larger than 4GB (except for self-decrypting files).
* Dynamic brute force counter measure - iterative key wrapping.
* Integrates well with web based file sharing services.
* Selective compression before encryption - faster downloads/uploads.
* Retains original file name and information of an encrypted file.
* Integrated shredder.
* Shredding of all temporary and encrypted plaintext files.
* Secure memory handling - no keys or data in the paging file.
* Industry standard algorithms.
* Data integrity verification - no undetected modification.
* Unique data encryption keys used for every file and (re-)encryption.
* Easy to add more languages - contact me (I'm especially looking for Nordic languages)!
* Open source - no backdoors.
* Private branding support for commercial or corporate versions.
* It's FREE!