Accessible Colour-Palette Builder
Build a five-colour palette and compare every pair against common WCAG text-contrast thresholds.
Web & Design tools
Aspect-Ratio Calculator
Simplify an aspect ratio, calculate matching dimensions and generate a CSS aspect-ratio declaration.
CSS clamp() Calculator
Generate a CSS clamp() expression for fluid spacing, typography, widths and other responsive values.
Responsive Typography Calculator
Generate and preview fluid typography that scales between readable minimum and maximum sizes.