Image anti aliasing

1. What is anti-aliasing in images?
2. Does anti-aliasing reduce image quality?
3. Should I keep anti-aliasing on or off?

What is anti-aliasing in images?

Aliasing is the visual stair-stepping of edges that occurs in an image when the resolution is too low. Anti-aliasing is the smoothing of jagged edges in digital images by averaging the colors of the pixels at a boundary.

Does anti-aliasing reduce image quality?

Anti-aliasing is commonly used to make games look less blocky. It is a technique for smoothing out jagged edges by blending adjacent pixels with the same color. This produces a clearer image that looks more realistic.

Should I keep anti-aliasing on or off?

Should I Turn Anti-Aliasing On or Off? If your visuals look great and you have a high-resolution display, you don't need to turn on anti-aliasing options. Anti-aliasing is for people who experience those unsightly “jaggies” and want to smooth out the edges of their graphics.