ChartTool is a free online service which helps you to create free charts based on data you provide. With ChartTool, you can design and share your own graphs online and for free. This tool supports a number of different chart types like: bar charts, pie charts, line charts, bubble charts and radar plots. You can create your own charts with 5 simple steps using this tool.
In the first step, you need to select the type of chart you want to have. You have to option of selecting 10 different types and each type you can customize the background color, fonts, appearance etc. each chart has its own type of customizations.
Once you have selected the chart, you can start adding data by selecting the number of values to be displayed. Currently this application supports upto 50 data values for plotting the chart.
Here also you can do customization based on your needs. In the next step, you can select the Labels and font display options and then you can preview the generated graph. Once you are done with all the customization, you can download the chart generated. Charts can be downloaded as PNG, JPEG, PDF and CSV format.
If you need to save the chart for future use, you will need to create an account with ChartTool. Altogether ChartTool is a great way to create charts online with least effort.