How to create charts using NodeJS?

Is it possible to create charts, e.g. bars and pies with custom icons using NodeJS?

Is Chart JS free to use?

js is a free, open-source JavaScript library for data visualization, which supports eight chart types: bar, line, area, pie (doughnut), bubble, radar, polar, and scatter.

Is Chart JS easy to use?

If you want to stick to a free and open-source library, use Chart. js. It is extremely simple to use for common use cases. If you need a little more control over rendering, then you can look into Chartist.

d3 is probably your best bet. It can generate nearly any type of chart imaginable.

You can generate the charts directly in the browser, or if you really need an image file, you can use the module in node and convert the output to an image.