Color converter
Color converter lets you convert HEX, RGB, HSL, and alpha values with a color preview in your browser.
8 tools
Web, UI, and CSS
Contrast ratio
Contrast ratio lets you calculate contrast after alpha compositing and report WCAG thresholds in your browser.
CSS unit converter
CSS unit converter lets you convert px, rem, em, vw, and vh with explicit font and viewport assumptions in your browser.
QR code generator
QR code generator lets you generate SVG QR codes for text or URLs without opening the encoded value in your browser.
CSS gradient generator
CSS gradient generator lets you generate and preview linear-gradient CSS from an angle and two colors in your browser.
Box shadow generator
Box shadow generator lets you generate and preview box-shadow from position, blur, spread, and alpha in your browser.
Flexbox and Grid generator
Flexbox and Grid generator lets you generate and preview Flexbox or Grid layout CSS in your browser.
URL parser
URL parser lets you parse URL components and ordered duplicate queries without making a request in your browser.