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Sumadi

Chrome extension by Sumadi S.A. · Productivity · Education

  • Trader

A Chrome extension in Productivity · Education with 4 000 users, a small but real audience.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 3 screenshots

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

Users
4 000
Rating
3.3 (3 ratings)
Users, last 15 days
-1k
Rating, last 30 days
Not watched long enough to say
Version
1.0.17
Updated in the store
2026-09-09
Published
2025-07-03
Manifest
V3
Browser access
12 permissions, 1 site pattern

How it has moved

Users
-1k since 31.08
4k-5k · 3 readings
2026-09-09: released 1.0.17
  1. 2026-08-315k
  2. 2026-09-034k
  3. 2026-09-144k
Rating
unchanged since 31.08
reviewsrating 3.33 · 3 readings
2026-09-09: released 1.0.17
  1. 2026-08-31reviews3rating3.33
  2. 2026-09-03reviews3rating3.33
  3. 2026-09-14reviews3rating3.33
Users
-1k since 31.08
4k-5k · 3 readings
2026-09-09: released 1.0.17
  1. 2026-08-315k
  2. 2026-09-034k
  3. 2026-09-144k
Rating
unchanged since 31.08
reviewsrating 3.33 · 3 readings
2026-09-09: released 1.0.17
  1. 2026-08-31reviews3rating3.33
  2. 2026-09-03reviews3rating3.33
  3. 2026-09-14reviews3rating3.33

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

What it can reach

Every site you visit. This extension can read and change the content of any page you open.

  • Read and change cookies on the sites it can access cookies
  • See the address and title of every tab you have open tabs
  • Run its own code on the pages it can access scripting
Show the remaining 9
  • See when you navigate between pages webNavigation
  • Schedule work to run later alarms
  • Tell whether you are away from the computer idle
  • Run work in a hidden page offscreen
  • Open a panel beside the page sidePanel
  • Store data in your browser storage
  • Read your display setup system.display
  • Read how much memory your device has system.memory
  • Read your storage devices system.storage

The full permission history for this extension

Version history

  1. Version 1.0.17

What changed recently

  1. Package size changed
  2. Released version 1.0.17 (was 1.0.16)

The publisher

Sumadi S.A.. Listed website: sumadi-gcloud.net.

Like this one

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

  1. OwnedIt AI Homework Supervisor Describes nearly the same job, smaller audience 4 users ★ 5.0
  2. Sekolahku Secure Exam Describes nearly the same job, smaller audience 1k users ★ 2.7
  3. Study Buddy Describes nearly the same job, smaller audience 2k users ★ 2.9
  4. EasyProctor Extension Describes nearly the same job 0 users ★ 5.0
  5. Sokrates Browser Proctoring Describes nearly the same job, smaller audience 5k users ★ 4.2

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.

Is this your extension?

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

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.