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Open tool Image Alpha Mask Exporter
Export decoded source alpha as an opaque grayscale PNG mask.
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Open tool Image Alpha Transition Density Report
Measure horizontal and vertical transitions among three alpha classes.
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Open tool Image Auto Contrast Stretch
Stretch each non-flat visible RGB channel across its observed range.
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Open tool Image Background Blur
Blur a simple edge-connected background locally.
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Open tool Image Background Remover
Remove a simple edge-connected background to transparent PNG.
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Open tool Image Bilateral Symmetry Report
Report mean mirrored RGBA differences across horizontal and vertical canvas axes.
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Open tool Image Blur
Apply an adjustable whole-image blur.
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Open tool Image Border Adder
Add a solid frame without covering source pixels.
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Open tool Image Border Color Variance Report
Report per-channel population variance over the visible one-pixel border.
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Open tool Image Border Continuity Report
Report opposite-border decoded RGB mismatch for bounded tiling review.
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Open tool Image Brightness Adjuster
Apply a bounded additive brightness adjustment to still-image RGB channels.
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Open tool Image Center Edge Balance Report
Compare visible decoded luminance in a fixed central rectangle and surrounding edge region.