1. 8-bit grayscale
Original image converted to grayscale values from 0 to 255.
Value: -
Grayscale Threshold Viewer
Upload an image, convert it to 8-bit grayscale, and compare two threshold-clamped variants side-by-side.
128
X:
-
Y:
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Move over any image to inspect the corresponding pixel in all three panels.
2. Upper clamp
Pixels below the threshold stay unchanged. Pixels above the threshold are set to the threshold.
Value: -
3. Lower clamp
Pixels below the threshold are set to the threshold. Pixels above the threshold stay unchanged.
Value: -
Notes: the three canvases always use the same source dimensions, and the slider updates both thresholded views immediately.