You might have noticed that under certain conditions, the image acquired with your digital camera has far too much information, thus creating noise and digital artifacts that mar your photo. This is particularly an issue when you're shooting at night and/or with a high ISO in other low-light conditions.
Free Photo Noise Reduction tool is a small and easy to use image editing software which can help you remove a tremendous amount of that noise just by moving sliders.
Image noise is extraneous visible artifacts that degrade image quality. Image noise includes luminance noise, which makes an image look grainy, and color noise, which is usually visible as colored artifacts in the image. Photos taken with high ISO speeds or less-sophisticated digital cameras can have noticeable noise.
Drag the 1:1 image preview in the "Detail" panel to better see the image noise and the effects of the sliders.
To reduce image noise, adjust any of the sliders. The first two sliders affect luminance noise. The last two sliders affect color noise.