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Soft Blur in

Soft Blur in is a React and Tailwind CSS effect component from SmoothUI, licensed MIT. Copy it and paste it into your project.

SmoothUI MIT effects

What it is

Soft Blur in is a React and Tailwind CSS effect component from SmoothUI, licensed MIT. Copy it and paste it into your project.

How to use it

Open it in the catalogue, press copy, and paste it into your project. The prompt you copy carries the code and the rules that tell your agent to reproduce it without changing anything.

Open in the catalogue

Five free copies a month. No card.

Needs

npm i motion

Licence

This component comes from SmoothUI and is redistributed under the MIT licence, which permits commercial use. The copyright notice travels with the code.

Soft Blur in

index.tsx
"use client";

import { motion, useInView, useReducedMotion } from "motion/react";
import { useRef } from "react";

export interface SoftBlurInProps {
  children: string;
  className?: string;
  /** Delay before the animation starts, in milliseconds. */
  delay?: number;
  /** Per-character stagger, in milliseconds. */
  stagger?: number;
  /** Animate only once the text scrolls into view. */
  triggerOnView?: boolean;
}

const DURATION_S = 0.9;
const MS = 1000;
// Apple's signature ease-out.
const EASE = [0.22, 1, 0.36, 1] as const;

/**
 * SoftBlurIn — per-character fade-in with a gentle blur and upward motion,
 * Apple's signature hero-title reveal. From the animate-text catalog
 * (`soft-blur-in`). Best on hero titles 48px+ over solid backgrounds.
 */
export default function SoftBlurIn({
  children,
  className = "",
  delay = 0,
  stagger = 25,
  triggerOnView = false,
}: SoftBlurInProps) {
  const ref = useRef<HTMLSpanElement>(null);
  const inView = useInView(ref, { once: true });
  const shouldReduceMotion = useReducedMotion();
  const play = (!triggerOnView || inView) && !shouldReduceMotion;
  const characters = Array.from(children);

  return (
    <span aria-label={children} className={className} ref={ref}>
      {characters.map((char, index) => (
        <motion.span
          animate={play ? { filter: "blur(0px)", opacity: 1, y: 0 } : undefined}
          aria-hidden="true"
          initial={
            shouldReduceMotion
              ? { opacity: 1 }
              : { filter: "blur(12px)", opacity: 0, y: 16 }
          }
          // biome-ignore lint/suspicious/noArrayIndexKey: characters have no stable id
          key={index}
          style={{ display: "inline-block", whiteSpace: "pre" }}
          transition={
            shouldReduceMotion
              ? { duration: 0 }
              : {
                  delay: delay / MS + (index * stagger) / MS,
                  duration: DURATION_S,
                  ease: EASE,
                }
          }
        >
          {char === " " ? " " : String(char)}
        </motion.span>
      ))}
    </span>
  );
}

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