Can't promise this works perfectly, but I built a cohost CSS-based nonogram generator: You can specify the vertical/horizontal clues as well as a passive and active cell color:
You can run it somewhere like Google Colab to easily generate your own! Output looks like this (bigger ones might have trouble on mobile? Also I have barely tested it on other devices/browsers):
31
258
11
2
47
11
1
33
61
2
21
1
12 2
