I created this tool to help with drawing using bezier curves. You can draw freehand or upload* an image you wish to trace.

It outputs the relevant coordinates (sX,sY,c1X,c1Y,c2X,c2Y,eX,eY) for each curve used to create the drawing. The coordinates can then be used with any number of programs.

* Uploaded images are not stored. Ain’t nobody got money to pay for that!

Here’s a thing I made using the tool (interacts with mouse),