kaimdt Toolbox is a free collection of professional CSS generators and web development utilities for front-end developers. Generate production-ready code for CSS gradients, glassmorphism effects, box shadows, keyframe animations, and more — compatible with Tailwind CSS, React, Next.js, and vanilla CSS3. All tools run entirely in your browser — no login, no tracking, no server.
Convert px to rem, build color palettes with WCAG contrast checking, transform HTML to JSX/TSX, generate QR codes, format JSON, test regex patterns, and more. Built for modern web workflows.