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Open tool Image RGB Covariance Report
Report visible RGB means and the population covariance matrix in squared-byte units.
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Open tool Image RMS Contrast Report
Report mean decoded luminance and its root mean square deviation.
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Open tool Image Rotate
Rotate images clockwise in exact quarter-turns.
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Image Tools
Open tool Image Saturation Adjuster
Scale still-image colour intensity around calculated luminance.
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Open tool Image Saturation Centroid Report
Locate alpha-weighted decoded HSL saturation in pixel and normalized coordinates.
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Open tool Image Saturation Distribution Report
Report mean HSL saturation and fixed low- and high-band coverage.
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Open tool Image Scanline Effect
Attenuate alternating decoded rows by an adjustable amount while preserving alpha.
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Open tool Image Sepia Filter
Apply a bounded warm sepia matrix to a still image while preserving alpha.
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Open tool Image Shadows and Highlights Adjuster
Adjust low- and high-luminance ranges with independent smooth weights.
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Open tool Image Sharpen
Increase local edge contrast with a guarded convolution.
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Open tool Image Sharpness Report
Report four-neighbor discrete Laplacian variance as a bounded focus heuristic.
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Image Tools
Open tool Image Size Calculator
Report encoded bytes, dimensions, aspect ratio, and decoded memory.