Chart.js enables me to customise the appearance of my charts according to my preferences, such as adjusting colours, fonts, and labels, and adding animations. I find this feature very useful and enjoyable to work with.

You can download the charts as images and you can quickly send them across any platform/phone

It is reach with features to change chart and easy to use and also easy to integration and easy to implement in any js projects. It's provide good customer support. Frequency of use is very wast.