Size Wizard is a GPT designed to assist users in finding the right size of clothing based on their specific measurements. It takes their input, usually based on body measurements, and converts it into an appropriate size according to various international size standards. This utility lends itself particularly well to online shopping environments. To activate Size Wizard, users simply greet the tool in their native language. From the metadata, it is understood that Size Wizard is equipped to support multiple languages, which greatly enhances its usability. The tool offers prompt starters catering to men's, women's, and children's clothing, effectively covering popular categories of clothing. Despite the varied standards of clothing sizes across different countries and brands, Size Wizard aims to find the closest-fit for the user. This GPT is an example of AI being used to streamline and personalize the shopping experience. Please note that Size Wizard requires access to ChatGPT Plus for its functionality.