Use Levels adjustment on an image

All of your image tones can be adjusted and you can also make subtle color adjustments. Apply the linear formula a * input + b to the image to adjust image levels.

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Params

A (a), B (b)

• A - Multiplier. a is an alias of this parameter.
• B - Offset. b is an alias of this parameter.

The minimum parameter for A and B is 0 and the maximum is 50. 1 is the default for parameter A. 0 is the default for parameter B.