Page Word Counter Chrome extension
Count words, characters, images and links on the current page, with an estimated reading time.
How to install
- Download and unzip the file.
- Open
chrome://extensionsand turn on Developer mode. - Click "Load unpacked" and pick the unzipped folder.
Source code (6 files)
manifest.json
{
"manifest_version": 3,
"name": "Page Word Counter",
"version": "1.0.0",
"description": "Count words, characters, images and links on the current page, with an estimated reading time.",
"icons": {
"16": "icons/icon.svg",
"48": "icons/icon.svg",
"128": "icons/icon.svg"
},
"action": {
"default_popup": "popup.html",
"default_title": "Page Word Counter",
"default_icon": {
"128": "icons/icon.svg"
}
},
"permissions": [
"activeTab",
"scripting"
]
}popup.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>Page Word Counter</title>
<link rel="stylesheet" href="popup.css" />
</head>
<body>
<header><h1>Page Word Counter</h1><p class="sub">Built with ManifestGo</p></header>
<main>
<ul id="stats"></ul>
<button class="primary" id="again">Recount</button>
</main>
<script src="popup.js"></script>
</body>
</html>
popup.css
:root { color-scheme: dark; }
* { box-sizing: border-box; }
body {
margin: 0;
width: 320px;
font-family: Inter, -apple-system, "Segoe UI", Roboto, sans-serif;
background: #1b1b1b;
color: #f2efe9;
}
header { padding: 14px 16px 8px; }
h1 { margin: 0; font-size: 14px; font-weight: 600; letter-spacing: -0.01em; }
p.sub { margin: 4px 0 0; font-size: 11px; color: #9a958d; }
main { padding: 10px 16px 16px; display: grid; gap: 10px; }
button {
font: inherit; font-size: 12px; font-weight: 600; cursor: pointer;
border: 1px solid #ffffff1f; background: #ffffff0d; color: #f2efe9;
border-radius: 10px; padding: 9px 12px; transition: background .15s ease;
}
button:hover { background: #ffffff17; }
button.primary { background: #f472b6; border-color: #f472b6; color: #101010; }
button.primary:hover { filter: brightness(1.08); }
input, select, textarea {
font: inherit; font-size: 12px; width: 100%; padding: 9px 10px; border-radius: 10px;
border: 1px solid #ffffff1f; background: #ffffff08; color: #f2efe9; outline: none;
}
input:focus, textarea:focus { border-color: #f472b6; }
ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; max-height: 260px; overflow: auto; }
li { display: flex; align-items: center; gap: 8px; font-size: 12px; padding: 8px 10px; border-radius: 10px; background: #ffffff08; }
li span { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row { display: flex; gap: 8px; }
.row > * { flex: 1; }
.big { font-size: 34px; font-weight: 700; text-align: center; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.muted { font-size: 11px; color: #9a958d; }
popup.js
const stats = document.getElementById("stats");
async function run() {
const [tab] = await chrome.tabs.query({ active: true, currentWindow: true });
if (!tab?.id) return;
const [res] = await chrome.scripting.executeScript({
target: { tabId: tab.id },
func: () => {
const text = document.body.innerText || "";
const words = text.trim().split(/\s+/).filter(Boolean).length;
return {
Words: words,
Characters: text.length,
Images: document.images.length,
Links: document.links.length,
"Reading time": Math.max(1, Math.round(words / 220)) + " min",
};
},
});
stats.innerHTML = "";
Object.entries(res.result || {}).forEach(([k, v]) => {
const li = document.createElement("li");
const a = document.createElement("span");
a.textContent = k;
const b = document.createElement("strong");
b.textContent = String(v);
li.append(a, b);
stats.appendChild(li);
});
}
document.getElementById("again").addEventListener("click", run);
run();
icons/icon.svg
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 128 128" width="128" height="128"><rect width="128" height="128" rx="26" fill="#f472b6"/><text x="64" y="90" font-family="Inter, Arial, sans-serif" font-size="66" font-weight="700" text-anchor="middle" fill="#ffffff">W</text></svg>README.md
# Page Word Counter
Count words, characters, images and links on the current page, with an estimated reading time.
## Install (unpacked)
1. Open `chrome://extensions`.
2. Enable **Developer mode**.
3. Click **Load unpacked** and select this folder.
## Files
- `manifest.json` — Manifest V3 configuration
- `popup.html` / `popup.css` / `popup.js` — toolbar popup UI and logic
- `icons/icon.svg` — source icon (rasterized to PNG on download)
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