Design & color

Pick a tool below. Each page includes formulas, steps, and examples.

Color

Color Picker & Converter

Pick any color and instantly convert it to HEX, RGB, HSL, HSV, and CMYK codes. Free online color converter with a native color picker — no sign-up required.

Css

CSS Gradient Generator

Generate CSS linear or radial gradient code with up to three colour stops. Copy-ready CSS. Free online gradient maker.

CSS Box Shadow Generator

Generate CSS box-shadow values with custom offset, blur, spread, colour, and inset options. Copy-ready CSS output. Free online box shadow generator.

Image Client

Image Converter

Convert images between WebP, JPEG, PNG, and AVIF formats in your browser. No upload required — all processing is done locally using WebAssembly. Supports files up to 10 MB.