Generate modern CSS clamp() and container query (cqw/cqh) fluid typography rules with interactive live simulation.
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.
Enter your minimum and maximum viewport/container widths.
Set desired font size bounds in pixels or rem.
Test live scaling with the viewport slider and copy the generated CSS clamp() rule.
clamp(MIN, VAL, MAX) allows values to scale linearly between a minimum and maximum bound based on viewport or container width.
Yes, it automatically generates clean Tailwind arbitrary value classes such as text-[clamp(...)].
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