NumericalChameleon is one of the popular unit conversion programs that assists the user to perform conversions between numerous units of different parameters. The program provides many predefined categories and exchange rate updating. The user-friendly GUI offers multiple tools in the form of accessible buttons and drop-down menus. It is customizable regarding general appearance and regarding unit conversion categories. The primary categories of the units are currency, numbers, dates, time zones, area, length, and temperature. After inserting the necessary figures for the conversion, the program will list the related conversion value automatically. The program enables you to add specific side-notes to your conversions and save the results into HTML or TXT file formats. The program offers a powerful list generator, and you can customize the starting/ending values, and the increment. It helps you to define favorite conversions for easy access and offers a feature for identifying the needed parameters with ease. The program offers an exchange-rate updater module where one can choose the preferred world currency server. It is a complete package for performing unit conversions and currency tasks.