Automatically color balances an image.
If "Adjust Neutral Color" is checked the mean value is shifted to neutral grey. If "Adjust Channel Contrast" will stretch the histogram per channel.
Automatically stretches the dynamic range to full black and white.
Changes the brightness and the contrast curve of the image.
Balances red, green and blue channels.
Enhances colors of an image.
Adjusts the color temperature from warm to cold.
Allows you to change the curve of a color channel. Select the color space you want to edit by clicking one of the available tabs (RGB, HSV, YCbCr, Lab, CMYK), then select a channel from the drop-down list.
You can change the shape of a spline by dragging its nodes. Nodes can be inserted (Right-click on the curve), moved (Left-click and drag) and removed (Right-click on a node) from a curve.
You can only edit one channel at a time.
Adjusts contrast using the image's histogram.
Low: Lowest color value used in the histogram equalization.
Amount: Highest color value used in the histogram equalization.
Corrects the exposure (gain), offset (brightness) and gamma of the image.
Changes the amount of hue, saturation and lightness of the image.
Colorizes the image with a selected color.
Color: Tint color.
Amount: Amount of tint.
Channel: Vary tint with lightness or chromiance (colorize highlights).
Contrast: Tint contrast.
Invert: Invert tint variance (colorize shadows)
Adjusts the color saturation non-linearly.
Corrects the white color of the image.