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πŸ”  Clamp() Font Generator

Build fluid typography with ease. Enter min/max font sizes and viewport breakpoints to produce a precise CSS clamp() font-size formula with live preview.

Clamp() Responsive Font Generator

Generate fluid typography values that smoothly scale between viewport breakpoints. Enter the smallest and largest font sizes, choose your min/max viewport widths, and instantly copy a ready-to-use CSS clamp() formula.

Font sizing

Viewport breakpoints

Target widths in pixels where the font should hit the min and max sizes.

Live preview

Drag the viewport slider to see how the clamp() value responds.

2.063rem (33px)
360px900px1440px

Responsive typography that scales with clamp()

Generated CSS

font-size: clamp(1.125rem, calc(0.5rem + 0.1736vw), 3rem);
Fluid range1.125rem β†’ 3rem
Slope0.1736rem/vw
Intercept0.5rem
Viewport span360px β†’ 1440px

Great for

  • Building responsive headings that scale smoothly across devices without media queries.
  • Creating design tokens that translate Figma typography specs to production CSS.
  • Demonstrating how clamp() behaves to teammates with a live preview they can adjust.

Tips

  • Keep min and max viewport widths aligned with your layout breakpoints for predictable scaling.
  • Switch between px and rem units to match the token system your team uses.
  • Copy the generated CSS directly into Tailwind’s arbitrary values or custom properties.

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Clamp() Responsive Font Generator - Fluid Typography Calculator