Design & Color Tools | AnyTool.online

Color conversion, contrast checking and aspect-ratio design helpers.

Available tools

Color Converter & Contrast Checker — Convert HEX to RGB/HSL and check contrast against black and white.
Aspect Ratio Calculator — Simplify ratios and calculate matching image dimensions.
Favicon Generator — Create favicon sizes from an emoji, character or uploaded image.
CSS Gradient Generator — Build linear and radial CSS gradients with live preview.
CSS Box Shadow Generator — Design CSS box shadows visually and copy the result.

Interactive URL: https://www.anytool.online/categories/design