100 Free AI UI Components

Image Prompt Builder

Write a prompt for an image and pick a style, shape and number of images. A frame shows the chosen shape, and the final prompt updates live.

Download the fileOpen full screen

One HTML file with the CSS and JavaScript inside. No library needed. MIT license.

Live preview

How to use it

  1. Click Copy the code, or download the file.
  2. Paste the CSS into your stylesheet, the HTML where you want the component, and the script before the closing body tag.
  3. Change --accent at the top of the CSS to your brand color, then connect the events to your AI service.

What you get

  • Works in light and dark mode automatically
  • Keyboard friendly, with labels for screen readers
  • Fits phones, tablets and desktops
  • Respects the reduced motion setting
  • No framework, so it works with any stack

The code

<!DOCTYPE html>
<!--
  Image Prompt Builder: a free AI UI component
  From 100 Free AI UI Components by MM Rahman Bappi, MIT license
  https://mmrahmanbappi.github.io/100-free-ai-ui-components/

  How to use: copy the CSS, HTML and JavaScript below into your page.
  Colors are CSS variables at the top. Change --accent to match your brand.
  Light and dark themes follow the visitor's system setting, or set
  data-theme="dark" or data-theme="light" on the html element.
-->
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Image Prompt Builder | Free AI UI Component</title>
<meta name="description" content="Write a prompt for an image and pick a style, shape and number of images. A frame shows the chosen shape, and the final prompt updates live.">
<meta name="robots" content="noindex, follow">
<style>
:root{
  --accent:#5b5bd6; --accent-ink:#fff; --accent-soft:#ececfc;
  --bg:#f7f7f8; --surface:#fff; --surface-2:#f1f1f4; --ink:#17171c; --text:#3a3a44; --muted:#6c6c78;
  --line:#e3e3e8; --good:#15803d; --warn:#b45309; --bad:#c62828;
  --radius:14px; --shadow:0 1px 2px rgba(20,20,30,.06),0 8px 24px -12px rgba(20,20,30,.18);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,sans-serif; --mono:ui-monospace,"Cascadia Code",Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){
  --accent:#8b8bff; --accent-ink:#0f0f16; --accent-soft:#25254a;
  --bg:#0f0f13; --surface:#18181f; --surface-2:#212129; --ink:#f3f3f6; --text:#d4d4dc; --muted:#9a9aa8;
  --line:#2c2c36; --good:#4ade80; --warn:#fbbf24; --bad:#f87171; --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px -12px rgba(0,0,0,.6);
}}
:root[data-theme=dark]{
  --accent:#8b8bff; --accent-ink:#0f0f16; --accent-soft:#25254a;
  --bg:#0f0f13; --surface:#18181f; --surface-2:#212129; --ink:#f3f3f6; --text:#d4d4dc; --muted:#9a9aa8;
  --line:#2c2c36; --good:#4ade80; --warn:#fbbf24; --bad:#f87171; --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px -12px rgba(0,0,0,.6);
}
*{box-sizing:border-box}
html,body{margin:0}
body{min-height:100vh;display:grid;grid-template-columns:minmax(0,1fr);place-items:center;padding:24px;background:var(--bg);color:var(--text);font:15px/1.5 var(--font);-webkit-font-smoothing:antialiased}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
[hidden]{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition:none!important}}
/* ---- component ---- */
.wrap{width:min(100%,560px);display:flex;flex-direction:column;gap:14px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px}
.card h2{font-size:15.5px;margin:0 0 4px;color:var(--ink)}
.muted{color:var(--muted);font-size:13px}
.num{font-variant-numeric:tabular-nums}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:10px;padding:8px 14px;font-size:14px;font-weight:600;cursor:pointer}
.btn:hover{border-color:var(--accent)}.btn.pri{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.sm{padding:5px 10px;font-size:13px;border-radius:8px}
.note{font-size:13px;padding:9px 12px;border-radius:10px;background:var(--surface-2);color:var(--text)}
.note.warn{background:color-mix(in srgb,var(--warn) 10%,var(--surface));border:1px solid color-mix(in srgb,var(--warn) 35%,var(--line))}
.wrap{width:min(100%,680px)}
textarea{width:100%;min-height:74px;resize:vertical;border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:var(--surface);color:var(--ink);line-height:1.5;margin-top:12px}
textarea:focus{outline:0;border-color:var(--accent)}
.lbl{font-size:13px;font-weight:700;color:var(--ink);margin:14px 0 6px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chips button{border:1.5px solid var(--line);background:var(--surface);color:var(--text);border-radius:999px;padding:5px 12px;font-size:13px;cursor:pointer}
.chips button[aria-checked=true]{border-color:var(--accent);background:var(--accent-soft);color:var(--ink);font-weight:700}
.grid2{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:end}
.frame{width:120px;height:120px;display:grid;place-items:center}
.frame i{display:block;border:2px dashed var(--accent);border-radius:8px;background:var(--accent-soft);transition:width .2s,height .2s}
.final{margin-top:14px;padding:10px 12px;border-radius:10px;background:var(--surface-2);font:12.5px/1.55 var(--mono);color:var(--ink);overflow-wrap:anywhere}
.ft{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:14px;flex-wrap:wrap}
select{border:1px solid var(--line);border-radius:10px;padding:7px 10px;background:var(--surface);color:var(--ink)}
@media(max-width:520px){.grid2{grid-template-columns:1fr}.frame{justify-self:center}}
</style>
</head>
<body>
<div class="wrap"><div class="card">
  <h2><label for="pr">Describe your image</label></h2>
  <textarea id="pr">A cozy reading corner by a rainy window, with a cat asleep on a stack of books</textarea>
  <div class="grid2"><div>
    <div class="lbl" id="sl">Style</div><div class="chips" role="radiogroup" aria-labelledby="sl" id="style"></div>
    <div class="lbl" id="al">Shape</div><div class="chips" role="radiogroup" aria-labelledby="al" id="aspect"></div></div>
    <div class="frame" aria-hidden="true"><i id="fr"></i></div></div>
  <div class="final" id="final" aria-live="polite"></div>
  <div class="ft"><label class="muted">Number of images <select id="n"><option>1</option><option>2</option><option selected>4</option></select></label><button class="btn pri" type="button" id="go">Create images</button></div>
</div></div>
<script>
// Demo helper: add ?theme=dark or ?theme=light to the address to preview a theme.
(function(){var t=new URLSearchParams(location.search).get('theme');if(t)document.documentElement.dataset.theme=t;})();
var STYLES=['Photo','Watercolor','3D render','Line art','Pixel art'],ASPECTS=[['Square','1:1',1,1],['Wide','16:9',16,9],['Tall','9:16',9,16],['Photo','4:3',4,3]];
var pr=document.getElementById('pr'),fin=document.getElementById('final'),fr=document.getElementById('fr'),style='Watercolor',aspect=ASPECTS[1];
function group(el,items,cur,label,onPick){items.forEach(function(it){var b=document.createElement('button');b.type='button';b.setAttribute('role','radio');var name=label(it);b.textContent=name;b.setAttribute('aria-checked',name===cur);b.tabIndex=name===cur?0:-1;
  b.onclick=function(){el.querySelectorAll('button').forEach(function(x){x.setAttribute('aria-checked',x===b);x.tabIndex=x===b?0:-1;});onPick(it);render();};
  b.onkeydown=function(e){var bs=[].slice.call(el.children),k=bs.indexOf(b),n=e.key==='ArrowRight'||e.key==='ArrowDown'?bs[(k+1)%bs.length]:e.key==='ArrowLeft'||e.key==='ArrowUp'?bs[(k-1+bs.length)%bs.length]:null;if(n){e.preventDefault();n.focus();n.click();}};el.appendChild(b);});}
group(document.getElementById('style'),STYLES,style,function(s){return s;},function(s){style=s;});
group(document.getElementById('aspect'),ASPECTS,aspect[0]+' '+aspect[1],function(a){return a[0]+' '+a[1];},function(a){aspect=a;});
function render(){var w=aspect[2],h=aspect[3],s=100/Math.max(w,h);fr.style.width=(w*s)+'px';fr.style.height=(h*s)+'px';
  fin.textContent=(pr.value.trim()||'Your description')+', '+style.toLowerCase()+' style, aspect ratio '+aspect[1];}
pr.addEventListener('input',render);
document.getElementById('go').addEventListener('click',function(){this.textContent='Creating '+document.getElementById('n').value+' images...';this.disabled=true;var b=this;setTimeout(function(){b.textContent='Create images';b.disabled=false;},1800);});
render();
</script>
</body>
</html>

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