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Tiled output really repeats the source pixels

Brightness, contrast, saturation, temperature, highlights and shadows applied to the real pixels.

Eight real per-pixel filters - blur, sharpen, pixelate, grayscale, sepia, invert, posterize, tint.

Real per-channel histograms with mean, standard deviation, median and quartiles from the decoded pixels.

Dimensions, alpha coverage, bits per pixel and the format sniffed from the actual file bytes.

Add or subtract days, weeks, months or years from any date and land on the exact result day.

Convert between metric and imperial, and work out fuel use and travel time for a journey.

What a journey really costs at the pump, with consumption and price per litre.

Add or remove GST at any rate, with the amount and the net both shown.