CSS & Frontend Tools
Precision calculators for PX to REM, CSS clamp(), aspect ratios, box shadows, gradients, and flexbox playgrounds.
PX to REM Converter & Cheat Sheet
Convert PX to REM and REM to PX in real-time with customizable base font size (16px default) and comprehensive typography reference tables.
CSS clamp() Calculator for Fluid Typography
Generate fluid, responsive font sizes and spacing that scale smoothly across mobile and desktop screens without media query breakpoints.
Aspect Ratio Calculator (16:9, 4:3, 21:9)
Calculate matching dimensions, aspect ratio fractions, and CSS aspect-ratio properties with instant presets for popular device resolutions.
CSS Box Shadow Generator
Design multi-layered CSS box shadows visually with real-time preview, opacity sliders, blur spread controls, and 1-click CSS code export.
CSS Glassmorphism & Frosted Glass Generator
Design sleek frosted glass UI elements with adjustable backdrop-filter blur, background opacity, outline highlights, and instant CSS export.
CSS Gradient Generator (Linear & Radial)
Create multi-color linear and radial gradients with real-time canvas preview, custom angle rotation, and production-ready CSS rules.
REM to PX Converter
Convert REM units back to pixel dimensions with customizable root font sizes (16px default) for CSS layout development.
HEX to RGB & HSL Color Converter
Convert web colors across HEX (#3b82f6), RGB (rgb(59, 130, 246)), and HSL formats with interactive color preview and 1-click CSS copying.