Quick Number Base Converter is a little application that sits in the windows Système 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.