Values
Use grayscale, a value ladder, or Notan to compare lights, darks, and dominant value groups.
Visual study tools for artists
Inspect color, value, composition, and proportion on the source.
Open ToolBox over a saved reference to compare values, extract color, test a crop or guide, simplify detail, and measure proportions.
Switch lenses and adjust their controls without changing the source.
The Analysis panel can show value range, histogram, hue, saturation, and color distribution beside the active lens.
ToolBox lenses
Five ToolBox lenses for reading a source.
The homepage shows one example from each lens.
In ArtDeck, each lens contains several tools you can adjust over the same source.
Color
Extract a palette, map temperature and saturation, and inspect how color is distributed.
Composition
Overlay grids, test a crop with the viewfinder, check symmetry, or make a thumbnail sheet.
Read
Squint, group large shapes, map detail density, and reveal the edge hierarchy.
Measure
Place plumb lines, read an angle from three points, and compare two lengths as a ratio.
Non-destructive studies
ToolBox leaves the source unchanged.
Save a snapshot back to the board or export it when you want a separate study.
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Choose a source
Open ToolBox on a still image, a video or GIF frame, or the visible board viewport.
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Adjust the lens
Switch lenses and tune their controls without changing the original asset.
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Save the result
Place a snapshot back on the board, copy it, save it to Files or Photos, or share it.
