CSS Clamp Generator
Calculate responsive clamp() expressions for typography, padding, gap, and margins. Export standard CSS, Tailwind CSS classes, or CSS custom variables.
Generator Settings
Responsive Interactive Preview
Edit text & drag edge to test fluid font size!
Is your Shopify store as responsive as your CSS?
A fluid font is one thing. But if your Shopify store has a slow LCP, rage clicks, or ghost checkouts — you're losing real revenue every day. Superspeed tracks exactly what real visitors experience and shows you the dollar amount you're losing to slow pages.
How it Works
- Input values: Enter your desired minimum and maximum font sizes, along with the corresponding viewport widths.
- Calculate: Our tool uses advanced algorithms to determine the ideal
clamp()expression. - Copy and paste: Simply copy the generated expression and paste it into your CSS code.
Why use clamp() for responsive font sizes?
- Adaptability: Ensures your text looks great on devices of all sizes without hardcoded breakpoints.
- Flexibility: Provides a smooth, continuous transition between minimum and maximum values.
- Precision: Guarantees optimal fluid typography without guesswork or visual jank.
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