Tone Selector

Pick how the AI should sound: friendly, professional, casual or direct. A sample reply updates so people can hear the difference.

Download the file Open full screen

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

Live preview

How to use it

Click Copy the code, or download the file.
Paste the CSS into your stylesheet, the HTML where you want the component, and the script before the closing body tag.
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>
<!--
  Tone Selector: 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>Tone Selector | Free AI UI Component</title>
<meta name="description" content="Pick how the AI should sound: friendly, professional, casual or direct. A sample reply updates so people can hear the difference.">
<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%,580px);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.danger{color:var(--bad)}.btn.danger:hover{border-color:var(--bad)}
.tg{width:40px;height:23px;border-radius:99px;background:var(--line);position:relative;flex:none;border:0;cursor:pointer;padding:0;transition:background .15s}
.tg::after{content:"";position:absolute;top:3px;left:3px;width:17px;height:17px;border-radius:50%;background:#fff;transition:left .15s;box-shadow:0 1px 2px rgba(0,0,0,.2)}
.tg[aria-checked=true]{background:var(--accent)}.tg[aria-checked=true]::after{left:20px}
.row{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:12px 0;border-top:1px solid var(--line)}
.row:first-of-type{border-top:0}
.row b{display:block;color:var(--ink);font-size:14px;font-weight:600}.row small{display:block;color:var(--muted);font-size:12.5px;margin-top:1px}
.seg{display:flex;background:var(--surface-2);border-radius:12px;padding:4px;gap:4px}
.seg button{flex:1;border:0;background:none;padding:8px 10px;border-radius:9px;font-size:14px;color:var(--muted);cursor:pointer;font-weight:500}
.seg button[aria-checked=true]{background:var(--surface);color:var(--ink);font-weight:700;box-shadow:0 1px 3px rgba(0,0,0,.12)}
.sample{margin:14px 0 0;padding:12px 14px;border-radius:12px;background:var(--surface-2);font-size:14px;line-height:1.6;color:var(--text);transition:opacity .2s}
.sample small{display:block;color:var(--muted);font-size:12px;margin-bottom:4px}
.tones{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tones button{border:1.5px solid var(--line);background:var(--surface);color:var(--text);border-radius:999px;padding:7px 14px;font-size:14px;cursor:pointer}
.tones button[aria-checked=true]{border-color:var(--accent);background:var(--accent-soft);color:var(--ink);font-weight:700}
</style>
</head>
<body>
<div class="wrap"><div class="card">
  <h2 id="lb">Tone of voice</h2><p class="muted" style="margin:0">Choose how replies should sound.</p>
  <div class="tones" role="radiogroup" aria-labelledby="lb" id="g">
    <button type="button" role="radio" aria-checked="true" data-k="friendly">Friendly</button>
    <button type="button" role="radio" aria-checked="false" data-k="pro">Professional</button>
    <button type="button" role="radio" aria-checked="false" data-k="casual">Casual</button>
    <button type="button" role="radio" aria-checked="false" data-k="direct">Direct</button></div>
  <p class="sample" id="s" aria-live="polite"></p>
</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;})();
function radioGroup(group,onPick){var items=[].slice.call(group.querySelectorAll('[role=radio]'));
  function pick(it,focus){items.forEach(function(x){var on=x===it;x.setAttribute('aria-checked',on);x.tabIndex=on?0:-1;});if(focus)it.focus();onPick(it);}
  items.forEach(function(it,i){it.addEventListener('click',function(){pick(it,false);});
    it.addEventListener('keydown',function(e){var n=null;if(e.key==='ArrowRight'||e.key==='ArrowDown')n=items[(i+1)%items.length];if(e.key==='ArrowLeft'||e.key==='ArrowUp')n=items[(i-1+items.length)%items.length];
      if(n){e.preventDefault();pick(n,true);}});});
  pick(items.filter(function(x){return x.getAttribute('aria-checked')==='true';})[0]||items[0],false);}
var S={friendly:'Happy to help! Your order ships tomorrow, and you will get a tracking link by email as soon as it leaves.',
pro:'Thank you for your message. Your order is scheduled to ship tomorrow. A tracking link will be sent to your email address.',
casual:'Good news, your order goes out tomorrow. Keep an eye on your inbox for the tracking link.',
direct:'Ships tomorrow. Tracking link will be emailed.'};
var s=document.getElementById('s');
radioGroup(document.getElementById('g'),function(it){s.innerHTML='<small>Sample reply to "When will my order ship?"</small>';s.appendChild(document.createTextNode(S[it.dataset.k]));});
</script>
</body>
</html>

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Tone Selector

How to use it

What you get

The code

More model and settings components

Model Selection Cards

Creativity Slider

System Prompt Editor

Answer Length Control

Feature Toggles

Assistant Persona Cards