The Star Filter tool generates 2-point star shapes on overbright areas of an image, emulating the look of a star filter on a real camera.

Size: Sets the size of the stars, as a percentage of the screen size.

Threshold: The luminance level above which highlights are picked up by the flare. Lower it to get more flare effect.

Threshold Softness: Introduces softness into the boundaries of the Threshold region, softening the overall flare effect naturally.

Boost: Lifts the white values in the image to create brighter stars.

Angle: Controls the angle of the stars.

Color: Shifts the color of star from the overbright color tint toward a pure color.