Flameshot (a screenshot tool) in its newer versions (!!) uses random noise for pixelation, and colors it based on the un-noised surroundings so it blends in rea

Flameshot (a screenshot tool) in its newer versions (!!) uses random noise for pixelation, and colors it based on the un-noised surroundings so it blends in reasonably. It's a nice mix if optically unobtrusive, algorithmically secure, and pleasant to look at.