Design WebKit & Firefox custom scrollbars with thumb colors, track styling, and hover states.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
Choose from Sleek Dark Modern, Minimalist Slate, or Neon Cyberpunk.
Adjust scrollbar width (px), corner radius (px), thumb color, hover color, and track color.
Scroll the live preview box to test interactions, then copy the complete stylesheet snippet.
Firefox uses the W3C standard 'scrollbar-width: thin' and 'scrollbar-color: thumb track' properties.
WebKit-based browsers use ::-webkit-scrollbar, ::-webkit-scrollbar-track, and ::-webkit-scrollbar-thumb.
Zero-egress companion tools in the Developer Tools suite
Convert raw CSS declarations, selectors, and stylesheets into clean Tailwind CSS classes.
Transpile JSON Schema Draft 7 & 2020-12 into strict TypeScript interfaces and runtime Zod schemas.
Generate compliant RFC 1035 BIND zone files with SOA, NS, A, AAAA, CNAME, MX, and TXT records.
Convert legacy TypeScript numeric/string enums into modern, bundle-friendly string union types.
