Numberlyzer Free is a quick and easy number conversion system that supports multiple number formats. As of its current version, Numberlyzer Free can quickly convert numbers of the following formats: Decimal, Binary, Octal, Hexadecimal, Excess-3 and BCD. Version History: Version 2. 0. Binary, Excess-3 & BCD now spaced out at user request. Version 1. 0. First Iteration.