It actually seems to work, but will only show up greyed out on the jigsaw menu on main toolbar.

Easy to set and I can finally read longer articles comfortably on mobile.

Working fine! Thanks.

Simple and very effective. The "Access your data for all websites" is the reason I give only 4 stars which is a bit unfair before checking what type of our personal data it reads or store, but, I just forked on GitHub to learn more about it. Keep up the good work and Thank You.