Freeware by Charles Prineas

I have made the following programs available in case others find them useful. All programs are freeware, and may be freely distributed without further permission from the author (ie, me).

If you have any feedback on the programs, please send me an email.


VBackup is a Windows command line backup program (similar to XCOPY and ROBOCOPY), but with file versioning.

Click here to download


A FREE hex calculator for iOS and Android

CPHexCalc Screen Shot


TuFix is a command line program that converts CSV or TAB delimited files into fixed record length files for easier viewing. After conversion, the corresponding fields in each record will all start at the same column position.

Click here to download


mdV is a command line utility that calculates the MD5 checksum of a file and (optionally) stores the checksum in the 4DOS description. This description can then be displayed in V by enabling 4DOS support.

Click here to download


VClone is a command line program that enables most of the V settings to be transferred to another PC/user. It exports the settings to a file which can then be imported on another PC.

Click here to download


Obfuscate is a program that removes sensitive data from text files without altering the layout of the file. The obfuscated file can then be sent for testing purposes.

Click here to download

If you are an Amazon user and would like to support, please consider entering the Amazon store by clicking on the following banner.
This will not change the Amazon pricing, but I will receive a small royalty from whatever is purchased.

If you are using an ad blocker (like I do), you can enter the Amazon store via this link