Create realistic 3D folded corner sticky notes and document cards with linear gradient cutouts.
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.
Set the folded corner pixel dimension using the slider.
Pick card background surface color and darker fold crease shadow color.
Copy the card container markup and linear-gradient stylesheet rules.
It pairs an angled linear-gradient(135deg, transparent ...) background cutout with an absolutely positioned ::before border triangle.
Yes, the card is standard DOM container markup that supports headings, text, buttons, and icons.
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.
