Ext Ops Panel
Open dashboard

System Monitor for CPU / Memory

Chrome extension by Jackie(Guokai) Han · Productivity · Tools

  • Established publisher

A Chrome extension in Productivity · Tools with 3 000 users, a small but real audience. Audience over the last 30 days: unchanged.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 2 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
3 000
Rating
4.6 (14 ratings)
Users, last 30 days
Unchanged (the store rounds this count to 1 000, so it moves only between steps)
Rating, last 30 days
Steady over 30 days
Version
2.0.0
Updated in the store
2024-03-03
Published
2020-01-19
Manifest
V3
Browser access
3 permissions

How it has moved

Users
unchanged since 30.09
2k-3k · 3 readings
  1. 2026-10-082k
  2. 2026-10-093k
  3. 2026-10-303k
Rating
unchanged since 30.09
reviewsrating 4.64 · 3 readings
  1. 2026-10-08reviews14rating4.64
  2. 2026-10-09reviews14rating4.64
  3. 2026-10-30reviews14rating4.64
Users
+1k since 01.09
2k-3k · 5 readings
  1. 2026-09-012k
  2. 2026-09-043k
  3. 2026-10-082k
  4. 2026-10-093k
  5. 2026-10-303k
Rating
unchanged since 01.09
reviewsrating 4.64 · 5 readings
  1. 2026-09-01reviews14rating4.64
  2. 2026-09-04reviews14rating4.64
  3. 2026-10-08reviews14rating4.64
  4. 2026-10-09reviews14rating4.64
  5. 2026-10-30reviews14rating4.64

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Store data in your browser storage
  • Read your processor details system.cpu
  • Read how much memory your device has system.memory

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

Jackie(Guokai) Han publishes 25 listings we track, 388k users between them. Listed website: guokai.dev.

  1. Vertical Tabs in Side Panel Jackie(Guokai) Han · Make Chrome Yours · Functionality · published 2023-06-09 100k users ★ 4.1
  2. QR Code Jackie(Guokai) Han · Productivity · Tools · published 2020-03-03 100k users ★ 4.7
  3. Tab Groups Extension Jackie(Guokai) Han · Productivity · Workflow · published 2021-04-03 100k users ★ 4.5
Show 5 more from this publisher
  1. Video Player for Local Files Jackie(Guokai) Han · Lifestyle · Entertainment · published 2021-07-18 20k users ★ 3.9
  2. Clear Site Data Jackie(Guokai) Han · Productivity · Developer · published 2020-02-13 10k users ★ 4.5
  3. Talking Clock Jackie(Guokai) Han · Productivity · Workflow · published 2020-05-31 10k users ★ 4.3
  4. Extension for Bilibili Player Jackie(Guokai) Han · Lifestyle · Entertainment · published 2019-04-02 10k users ★ 4.6
  5. Keep Computer Awake (for a While) Jackie(Guokai) Han · Productivity · Workflow · published 2020-02-05 10k users ★ 4.2

Like this one

Listings the catalog judges closest in what they say they do.

  1. CPU and Memory Performance Monitor Describes nearly the same job, smaller audience 9k users ★ 4.1
  2. System Memory Usage Describes nearly the same job, smaller audience 1k users ★ 4.0
  3. System CPU Usage Describes nearly the same job, smaller audience 420 users ★ 4.0
  4. System Monitor Describes nearly the same job, smaller audience 254 users ★ 3.0
  5. Ram Info Describes nearly the same job, smaller audience 85 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

Want this mark on your extension in our catalog?

Verify that you are its author and you can show this mark on the card, with live banners for your site and README. How verification works

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

Connect it in a minute See what the panel does
Add a badge to your README or site

The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/fcofohckagnahikfankmacbepefilmof/badge.svg)](https://extops.dev/extensions/fcofohckagnahikfankmacbepefilmof)

HTML

<a href="https://extops.dev/extensions/fcofohckagnahikfankmacbepefilmof"><img src="https://extops.dev/extensions/fcofohckagnahikfankmacbepefilmof/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-09. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built