I have a simple rectangle that is totally aligned to the pixel grid. Position X, Y and width and height values are all whole integers. I've also checked the 4 corner vertices which are all definitely on pixel intersections.


Yet in Pixel Preview, it still has a fuzzy bottom edge – what is going on?

2 Answers 2


Make sure the object doesn't have any effects applied to it like a stroke, a drop shadow, outer glow, things like that. Or that may actually be another object below the darker box.


I couldn't really resolve this, except to note that the fuzzy border only appears when the rectangle is behind another section of the graphic which had some opacity effects turned on.

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