Create a Pie Chart, Free . Customize, download and easily Create a customized Pie Chart for free. Enter any data, customize the chart's colors, fonts and other details, then download it or easily share it with a shortened url | Meta-Chart ! Create a Graph Classic - Pie Chart - NCES Kids' Zone Pie Chart. There are all kinds of charts and graphs, some are easy to understand while others can be pretty tricky. There are so many different types because each one has a fairly specific use. Pie charts can be used to show percentages of a whole, and represent percentages at a set point in time. They do not show changes over time.