Quick Number Base Converter is a little application that sits in the windows system tray and when you click on it, allows you to quickly convert numbers between decimal, hex, binary, octal, etc. It's a simple little tool, designed for those handy times when you need to convert numbers between bases. It also converts numbers to and from windows colors (i.e. type a hex number, see what RGB color it corresponds to). This software is freeware with no limitations, no expiration, and no disabled features.

• Free Number Base Converter 2.0
  The Number Base converter is a tool which converts numbers from one base to another such as binary,decimal,hex,octal

• Aquarius Soft PC Binary Converter 1,5,0,1
  Aquarius Soft PC Binary Converter is a simple and fast number system conversion software that lets you instantly convert between binary, octal, decimal and hexadecimal number systems