Tab Manager Chrome extension

{
  "manifest_version": 3,
  "name": "Tab Manager",
  "version": "1.0.0",
  "description": "See every open tab, jump to one instantly, or close it without leaving the popup.",
  "icons": {
    "16": "icons/icon.svg",
    "48": "icons/icon.svg",
    "128": "icons/icon.svg"
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "Tab Manager",
    "default_icon": {
      "128": "icons/icon.svg"
    }
  },
  "permissions": [
    "tabs"
  ]
}

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>Tab Manager</title>
<link rel="stylesheet" href="popup.css" />
</head>
<body>
<header><h1>Tab Manager</h1><p class="sub">Built with ManifestGo</p></header>
<main>
<input id="q" type="search" placeholder="Filter tabs…" />
  <ul id="list"></ul>
  <button id="dupes">Close duplicate tabs</button>
</main>
<script src="popup.js"></script>
</body>
</html>

: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: #f59e0b; border-color: #f59e0b; 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: #f59e0b; }
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; }

const list = document.getElementById("list");
const q = document.getElementById("q");
let tabs = [];

function render() {
  const term = q.value.trim().toLowerCase();
  list.innerHTML = "";
  tabs
    .filter((t) => !term || (t.title || "").toLowerCase().includes(term) || (t.url || "").toLowerCase().includes(term))
    .forEach((t) => {
      const li = document.createElement("li");
      const span = document.createElement("span");
      span.textContent = t.title || t.url;
      span.title = t.url || "";
      span.addEventListener("click", () => chrome.tabs.update(t.id, { active: true }));
      const close = document.createElement("button");
      close.textContent = "✕";
      close.addEventListener("click", async () => {
        await chrome.tabs.remove(t.id);
        load();
      });
      li.append(span, close);
      list.appendChild(li);
    });
}

async function load() {
  tabs = await chrome.tabs.query({});
  render();
}

q.addEventListener("input", render);
document.getElementById("dupes").addEventListener("click", async () => {
  const seen = new Set();
  const kill = [];
  for (const t of await chrome.tabs.query({})) {
    if (seen.has(t.url)) kill.push(t.id);
    else seen.add(t.url);
  }
  if (kill.length) await chrome.tabs.remove(kill);
  load();
});

load();

<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="#f59e0b"/><text x="64" y="90" font-family="Inter, Arial, sans-serif" font-size="66" font-weight="700" text-anchor="middle" fill="#ffffff">T</text></svg>

# Tab Manager

See every open tab, jump to one instantly, or close it without leaving the popup.

## 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)