Daily Usage Chart

A small bar chart of tokens used each day for two weeks. Hover or use the Tab key to read each day's exact number.

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>
<!--
  Daily Usage Chart: 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>Daily Usage Chart | Free AI UI Component</title>
<meta name="description" content="A small bar chart of tokens used each day for two weeks. Hover or use the Tab key to read each day&#x27;s exact number.">
<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:15px;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;text-decoration:none}
.btn:hover{border-color:var(--accent)}.btn.pri{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.bar{height:8px;border-radius:99px;background:var(--surface-2);overflow:hidden}
.bar i{display:block;height:100%;border-radius:99px;background:var(--accent);transition:width .3s,background .3s}
.ok{--lvl:var(--accent)}.warn{--lvl:var(--warn)}.full{--lvl:var(--bad)}
.tg{width:38px;height:22px;border-radius:99px;background:var(--line);position:relative;flex:none;border:0;cursor:pointer;padding:0}
.tg::after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff;transition:left .15s}
.tg[aria-checked=true]{background:var(--accent)}.tg[aria-checked=true]::after{left:19px}
.wrap{width:min(100%,620px)}
.hd{display:flex;justify-content:space-between;align-items:flex-end;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.big{font-size:26px;font-weight:800;color:var(--ink);line-height:1}
.chart{position:relative;display:flex;align-items:flex-end;gap:5px;height:150px;padding-top:24px;border-bottom:1px solid var(--line)}
.chart button{flex:1;border:0;padding:0;background:var(--accent);opacity:.75;border-radius:5px 5px 0 0;cursor:pointer;min-width:0;transition:opacity .15s}
.chart button:hover,.chart button:focus-visible{opacity:1}
.chart button.today{background:var(--ink)}
.days{display:flex;gap:5px;margin-top:6px}.days span{flex:1;text-align:center;font-size:11px;color:var(--muted)}
.pop{position:absolute;top:-4px;transform:translateX(-50%);background:var(--ink);color:var(--bg);font-size:12px;padding:3px 8px;border-radius:6px;white-space:nowrap;pointer-events:none}
.pop[hidden]{display:none}
</style>
</head>
<body>
<div class="wrap"><div class="card">
  <div class="hd"><div><h2>Tokens per day</h2><p class="muted" style="margin:0">Last 14 days</p></div><div style="text-align:right"><div class="big num" id="tot"></div><span class="muted">total</span></div></div>
  <div class="chart" id="ch" role="list" aria-label="Tokens used per day"><div class="pop num" id="pop" hidden></div></div>
  <div class="days" id="days" aria-hidden="true"></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;})();
function fmt(n){return n>=1e6?(n/1e6).toFixed(n>=1e7?0:1)+'M':n>=1e3?(n/1e3).toFixed(n>=1e4?0:1)+'k':String(n)}
function level(p){return p>=1?'full':p>=.8?'warn':'ok'}
var DATA=[42,51,38,66,72,24,18,55,61,70,84,79,31,58].map(function(k){return k*1000;});
var ch=document.getElementById('ch'),pop=document.getElementById('pop'),days=document.getElementById('days'),max=Math.max.apply(null,DATA),today=new Date();
document.getElementById('tot').textContent=fmt(DATA.reduce(function(a,b){return a+b;},0));
DATA.forEach(function(v,i){var d=new Date(today);d.setDate(today.getDate()-(DATA.length-1-i));var label=d.toLocaleDateString(undefined,{month:'short',day:'numeric'});
  var b=document.createElement('button');b.type='button';b.setAttribute('role','listitem');b.style.height=(v/max*100)+'%';if(i===DATA.length-1)b.className='today';
  b.setAttribute('aria-label',label+': '+v.toLocaleString()+' tokens');
  function show(){pop.hidden=false;pop.textContent=label+': '+fmt(v);pop.style.left=(b.offsetLeft+b.offsetWidth/2)+'px';}
  b.addEventListener('mouseenter',show);b.addEventListener('focus',show);b.addEventListener('mouseleave',function(){pop.hidden=true;});b.addEventListener('blur',function(){pop.hidden=true;});
  ch.appendChild(b);var s=document.createElement('span');s.textContent=i%2?'':d.getDate();days.appendChild(s);});
</script>
</body>
</html>

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Credits Remaining Card
Shows how many credits are left this month, when they reset, and a button to buy more. The bar changes color as credits run low.
Rate Limit Banner
A clear banner when someone hits their message limit, with a live countdown to when they can send again and the prompt box turned off.
Cost per Message
A small line under each answer showing tokens in and out and what the message cost. Click it to see the full breakdown.
Upgrade Plan Banner
A friendly banner that appears when someone is close to their free limit, comparing free and paid limits. It can be closed.

Daily Usage Chart

How to use it

What you get

The code

More tokens and usage components

Token Ring Meter

Context Window Bar

Credits Remaining Card

Rate Limit Banner

Cost per Message

Upgrade Plan Banner