React UI Components: 273 Free Copy-Paste Designs 2026

#react #javascript #frontend

273 Free React UI Components 2026 — No npm Install

ProofMatcher offers 273+ free React components — copy-paste JSX, no package install, no config, no version conflicts.

Why Use Copy-Paste React Components?

Zero added dependencies — keeps your bundle lean
Full control over styles — edit anything directly
Works with Vite, Next.js, CRA, Remix, Astro
No breaking changes when a library updates
No @layer conflicts or specificity wars

React Toggle Switch

const Toggle = ({ on, setOn }) => (
  <div
    onClick={() => setOn(!on)}
    style={{
      width: 52, height: 28,
      background: on ? '#e53e3e' : '#3a3a3a',
      borderRadius: 14, cursor: 'pointer',
      position: 'relative', transition: 'background .25s'
    }}
  >
    <div style={{
      position: 'absolute', top: 3,
      left: on ? 27 : 3,
      width: 22, height: 22,
      background: 'white', borderRadius: '50%',
      transition: 'left .25s',
      boxShadow: '0 2px 6px rgba(0,0,0,.3)'
    }}/>
  </div>
);

React Checkbox

const Checkbox = ({ label, checked, onChange }) => (
  <label style={{ display:'flex', alignItems:'center', gap:10, cursor:'pointer' }}>
    <div style={{
      width: 20, height: 20,
      background: checked ? '#e53e3e' : 'transparent',
      border: `2px solid ${checked ? '#e53e3e' : 'rgba(255,255,255,.3)'}`,
      borderRadius: 4,
      display: 'flex', alignItems: 'center', justifyContent: 'center',
      transition: 'all .2s'
    }}>
      {checked && <span style={{ color:'white', fontSize:12, fontWeight:700 }}>✓</span>}
    </div>
    <span style={{ color:'rgba(255,255,255,.7)', fontSize:14 }}>{label}</span>
  </label>
);

React Gradient Button

const Button = ({ children, onClick, variant = 'primary' }) => {
  const bg = variant === 'primary'
    ? 'linear-gradient(135deg,#e53e3e,#9b2c2c)'
    : 'rgba(255,255,255,0.07)';
  return (
    <button
      onClick={onClick}
      style={{
        background: bg, color: 'white',
        padding: '11px 24px', border: 'none',
        borderRadius: 8, cursor: 'pointer', fontWeight: 600
      }}
    >
      {children}
    </button>
  );
};