This is the deployment of a fork from the original repo https://github.com/stg/SVoronoiG
Click to add a seed, shift-click to remove a seed.
If you need to zoom, use the browsers built-in zoom function - usually ctrl+mouse wheel.
random seeds
scene to size x
scene as SVG
Rendering parameters - normally 0-100, but negative or large values can produce interesting results
Vertex retraction: %
Bezier retraction: %
Remove vertices in close proximity - 0-200
Vertex culling: %

A newer Voronoi editor with multiple Features is available Voronoi editor webapp Open source on this Github repo