First, set your desired Width and Height and do not change it later. Then, adjust the Zoom to work comfortably.
Points
Click on the canvas to add points.
Point Groups
Super Groups
The exported data is normalized. You will need to resolve points and point groups based on their IDs in your application code. Learn how.
For a single shape, you can simply click on the canvas to create points.
You can drag a selected point to adjust its position.
When you are done, Download or Copy the JSON data to use in your app.
If points order matters for your app, you can move points up and down in the list using the arrow buttons.
If you need to organize your points as point groups (or polygons), create the point group first, then newly created points will be automatically added to it.
Press Esc or click outside of the canvas to deselect points, point groups, and super groups.
Cmd/Ctrl + Backspace to delete the currently selected point.