ChartGizmo, a free online tool lets you create great looking charts for free and created charts could be shared/published in seconds. You could let others add comments too. A great way to get feedback for your stats online. Whole process is so simple, all steps are listed below.
Create new Account and create a new chart.
Design your chart – ChartGizmo supports Pie Chart, Bar Chart and many more kinds.
Save and publish! Simple!
Example charts created using ChartGizmo
There are other similar services such as;
Goal is simple; allow users to create charts online quickly. Create bar charts, line charts or pie charts. Simply paste your data in the chart data area and hit the create chart button. View their chart examples to find an existing chart image that you might want to use and modify.
Online Chart Tool
On Onlinecharttool you can design and share your own graphs online and for free. It supports a number of different chart types like: bar charts, pie charts, line charts, bubble charts and radar plots.