CSS Clamp Generator

Generate pixel-perfect fluid typography and spacing using the modern CSS clamp() function.

Units

Pixels (px) REM

Root Font Size (px)

Default is usually 16px.

Viewport Range

Min Width

Max Width

Target Size

Min Value

Max Value

Current Viewport:

Fluid Typography

Simulate Viewport Width

300px 1920px

Fluid Typography

Seamlessly scale text between a minimum and maximum size based on the viewport width.

PX & REM Support

Work with your preferred units. Automatically handles REM-to-PX conversions.

Interactive Preview

Simulate different viewport sizes instantly to see how your text scales.

Production Ready

Generates optimized CSS `clamp()` code compatible with all modern browsers.

Choose Units
Select whether you are working with px or rem. If using REM, ensure the "Root Font Size" matches your CSS (default 16px).
Set Range
Define the Min Width and Max Width of the viewport. These are the breakpoints where the scaling starts and stops (e.g., 375px mobile to 1440px desktop).
Define Sizes
Input your desired Min and Max font sizes (or other property values) corresponding to the min/max widths.