Icon of program: Marx 448 Bit Encryption

Marx 448 Bit Encryption for Windows

By Marx BitwareFreeUser Rating

Key Details of Marx 448 Bit Encryption

  • Encrypt your files.
  • Last updated on 7/25/2015
  • There have been 6 updates
  • Virus scan status:

    Clean (it's extremely likely that this software program is clean)

Editors' Review

Download.com staff

While this free tool successfully encrypted our selected files, its password protection feature failed to fully secure the files.

Marx 448 Bit Encryption opens with a pleasant looking, tabbed user interface. A closer look revealed options that weren't immediately recognizable, and we had to pay a visit to the Help feature to figure out how to get started. You have to flip to the Setup tab to add or remove files. You also can select the key depth, choose from two encryption methods, and input how many passes you want the program to perform. After some manipulation, we were able to encrypt a file. There is a place at the top of the window to enter a password (or passphrase, as the program calls it), but we were never asked to enter one when we encrypted and decrypted the files.

Unlike other encryption tools, this one didn't offer any other encryption options, such as what to do with the source file. Overall, we weren't impressed with this file encryption program's performance, and we suggest you pass on it and look for a more secure encryption. It cleanly uninstalled from our computer.

What's new in version 2

This version is the first release on CNET Download.com.

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Full Specifications

June 12, 2008
Latest update
July 25, 2015
Operating System
Windows Vista, Windows 10, Windows XP, Windows 2000
Additional Requirements
Windows 2000/XP/2003 Server/Vista, Microsoft .NET Framework 2
Total Downloads
Downloads Last Week

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User Reviews


2 User Votes

Developer's Description

Encrypt your files.

Marx 448 Bit Encryption v2.0 uses blowfish with a full strength 448 Bit key and the Tiger Hashing Algorithm to ensure file integrity. This new version has a redesigned interface that makes the entire user experience a little more friendly whilst maintaining some of the strongest encryption available today. New features added include the option to perform secure file deletion of the plain text versions when encrypting files as well as a complete help system that should be very easy to follow. Version 2.0 now installs just like any other Windows application. It has been packaged as a Windows Installer file (.msi) which simplifies the distribution process. Another benefit is that deployment can be controlled on corporate networks via group policy. This version is the first release on CNET Download.com.