Grain

0:03 Grain · see the starting image
Grain adds texture to the finished look; it does not reduce sensor noise.

0:08 Inspect at 100%
Use the same zoom to compare real detail; Fit can hide small changes.

0:14 Add visible grain
Use an obvious amount first so its distribution is easy to recognise.

0:21 Change the grain size
Larger grain has a different texture even at the same strength.

0:29 Change where grain is strongest
Midtone bias shifts its tonal distribution. Compare light and dark surfaces.

0:36 Bypass only this tool
Compare the same photograph at the same zoom. The settings are retained.

0:42 Restore the adjustment
Judge the change before combining it with other tools.

0:48 Reset and compare the starting state
Only this tool returns to its starting state. Other edits stay.

0:55 Explore the controls in the written tool reference
OmaRaw