Drop or click to load an image
Every bin is counted from the decoded pixels
Drag the two control points on a curve, watch the easing play and copy the cubic-bezier CSS.
Convert HEX, RGB, HSL and HSV with WCAG contrast ratios and a full tint scale.
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.
Runge-Kutta 4 and Euler on a differential equation, with a step-size comparison.
Daily calories from age, weight, activity and goal, using the Mifflin-St Jeor equation.
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.
