CSS clamp() Generator
Free online CSS clamp() generator. Build responsive fluid typography with min, preferred, and max values. Live viewport preview from 320px to 2560px. Supports px, rem, vw units. Copy ready-to-use CSS.
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What is CSS clamp() Generator?
CSS clamp() Generator is a visual tool for building responsive fluid typography. The clamp(min, preferred, max) CSS function lets a value scale smoothly with the viewport while staying within defined bounds — perfect for font sizes, spacing, and container dimensions.
Key Benefits
- Fluid responsive typography
- No media queries needed
- Smooth scaling between bounds
- Copy-ready CSS output
Common Use Cases
- •Responsive headings
- •Fluid body text
- •Viewport-based spacing
- •Modern web design
How to Use the CSS clamp() Generator
- Set minimum: Enter the smallest font size (e.g. 16px) that applies on narrow screens.
- Set preferred: Enter the ideal fluid value, typically in vw units (e.g. 4vw).
- Set maximum: Enter the largest font size (e.g. 32px) that applies on wide screens.
- Preview and copy: Drag the viewport slider to preview, then copy the clamp() value.
Key Features
- Visual clamp() builder with live preview
- Mix px, rem, em, vw, vh, and percentage units
- Viewport simulator from 320px to 2560px
- Computed pixel value at current viewport
- Copy-ready CSS snippet
- 100% client-side, no data sent to server