All effects and presets

Effect

Levels

Set black point, white point and midtones like a levels tool.

Levels tools set black point, white point and mid grey, the same logic as adjusting a print's exposure scale. Input sliders clip or expand; gamma reshapes the middle.

It is one of the fastest ways to fix a flat scan or a hazy camera original.

Levels example
Example

Properties

  • Input Levels

    input min/max

    Range
    0, 0 to 1, 1
    Default
    0, 1

  • Midpoint

    Range
    0.2 to 5
    Default
    1

  • Output Levels

    output min/max

    Range
    0, 0 to 1, 1
    Default
    0, 1

  • Affect Luma Only

    luminance only

    Range
    0 to 1
    Default
    0

Command line

Requires Rethings Pro. Install the tool from Rethings → Install Command Line Tool… 

rethings apply --effect levels --set input_levels=0,1 --set midpoint=1 -i input.jpg -o output.png

Gallery

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