Potentially. I temporarily had to deploy the new version to Github Pages, as I didn't have time to deal with finding a solution for 4000 images required for a new feature I've integrated xD I'm a bit lazy, I know.
The new version already has a bit of additional features, will try to backport it all to Itch.io. I can definitely arrange larger canvas and more selection of colors with ease.
New deployment:
https://mechaniqe.github.io/polyomino-generator/