Responsive Font Generator (Clamp)

Create fluid, flexible typography with our Responsive Font Generator. This tool helps you generate CSS using the clamp() function, ensuring your text scales smoothly across all screen sizes. Whether you’re designing for mobile, tablet, or desktop, our tool makes your CSS font responsive with precise control over minimum, preferred, and maximum sizes.

Simply enter your values, preview the responsive text, and copy the ready-to-use CSS for your project.

Enter sizes and viewports. We’ll generate a clamp() rule you can copy.
The font size you want at the “target” viewport.
Default 768px (tablet). Adjust as needed.
Usually 320px for mobile.
Generated CSS
font-size: clamp(14px, calc(11.1429px + 0.8929vw), 22px);
Preview
The quick brown fox jumps over the lazy dog.

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Why Use a Responsive Font Generator?

Responsive typography is essential for modern web design. Using CSS clamp(), you can make your font size scale smoothly between two breakpoints — improving readability and user experience.

This Responsive Font Generator allows you to:
✅ Create fluid typography without media queries
✅ Control minimum, maximum, and scaling behavior
✅ Generate clean, production-ready CSS automatically
✅ Preview your responsive font instantly
✅ Improve readability on every device

Perfect for headings, paragraphs, UI components, or any design requiring adaptive text sizing.

How to Use the CSS Responsive Font Tool?

1️⃣ Enter your minimum font size (in px).
2️⃣ Add your maximum font size.
3️⃣ Set the preferred size and target viewport width.
4️⃣ Add your mobile minimum width (e.g., 320px).
5️⃣ Click Generate CSS clamp() to get the fluid typography code.
6️⃣ Copy and paste the generated CSS into your stylesheet.

Pro Tip:
Use responsive fonts alongside responsive line height for smoother readability across breakpoints.

Frequently Asked Questions

A responsive font automatically adjusts its size based on screen width, improving readability on mobile and desktop devices.