Tab Manager & Resource Monitor – CPU, RAM Usage per Tab

by Aperca LLC · apercallc.com · Developer Tools

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Find slow tabs instantly. Monitor CPU, RAM, and network usage per tab to speed up Chrome and reduce memory usage.

Users

462

+19 in 30 days

Rating

3.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#45K

#38K among extensions

Version

1.2.1

updated 7 Apr 2026

Users

monthly, 14 months

Latest, 15 Oct 2026: 462 usersMove the mouse over the chart for any month

Ratings count

monthly, 14 months

Latest, 15 Oct 2026: 4 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Tab Manager & Resource Monitor – CPU, RAM Usage per Tab

🚀 Stop guessing why your browser is slow. Tab Resource Monitor gives you a live task manager right in your toolbar showing CPU, RAM, and network usage for every open tab, color-coded by impact. Spot the tab eating your memory. Close it. Done. ✅ Real-time CPU, RAM & network stats per tab ✅ Color-coded alerts — see heavy tabs at a glance ✅ One-click close or refresh from the popup ✅ Total usage summary across all tabs ✅ System Info: CPU model, cores, RAM, GPU ✅ Pinnable on-page widget — monitor without opening the popup ✅ Auto-refreshing every 1–10 seconds (your choice) ✅ Dark mode & compact view ✅ 100% local — no data ever leaves your browser Built for developers, power users, and anyone running 20+ tabs who wants their browser back. ────────────────────────── HOW IT WORKS CPU & RAM figures are estimated from real page signals — Long Tasks, FPS, event-loop lag, DOM complexity, and resource size. Network (MB/s) is measured from request metadata. For the active tab, Accurate Mode uses the DevTools protocol for precise readings. All processing is on-device. No telemetry. No tracking. ────────────────────────── PERMISSIONS EXPLAINED • Tabs — list and switch to tabs from the popup • Storage — save your appearance and threshold settings • Web Request — measure per-tab network bandwidth • System CPU & Memory — display your hardware specs in System Info • Debugger (optional, Accurate Mode only) — read precise CPU/RAM for the active tab