The visual and artistic effect of film grain can be simulated in some digital photo manipulation programs by adding grain to a digital image after it is taken. Various raw image processing software packages (such as RawTherapee and DxO PhotoLab) feature "film simulation" effects that apply the characteristics of various film brands, including the graininess.
In certain digital photo editing programs, such as those found in software like RawTherapee and DxO PhotoLab, you can simulate the visual and artistic effect of film grain by adding it to a digital image after capture. These applications feature "film simulation" effects that mimic the characteristics of various film brands, including their graininess.