Tools tagged "css"

Image to Base64 Converter Convert an image to a Base64 Data URI with ready-to-paste HTML and CSS snippets — no upload involved. CSS Unit Converter (px ↔ em, rem, pt, %) Convert px, em, rem, pt and % with a configurable base font size — full equivalence table in your browser. Color Converter Convert a color between HEX, RGB, HSL, HSV and CMYK with live two-way sync, in your browser. WCAG Contrast Checker Check the contrast ratio between two colors and see whether it passes WCAG AA and AAA, live in your browser. Aspect Ratio Calculator Simplify any width × height into its aspect ratio, or find the missing dimension — in your browser. CSS Gradient Generator Design linear and radial CSS gradients visually, adjust colors and angle, and copy the CSS. CSS Box Shadow Generator Design box shadows visually — adjust offset, blur, spread, color and opacity, and copy the CSS. My Screen Resolution See your current viewport and screen resolution — updates live as you resize the window. Sample CSS Files Download free sample CSS files for testing — CSS File.