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System Monitor

Chrome Web Store listing by Daniel Herr · Productivity · Workflow

A Chrome extension in Productivity · Workflow with 254 users, barely installed.

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

What the developer says, and 1 screenshot

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

Users
254
Rating
3.0 (9 ratings)
Users, last 10 days
-14
Rating, last 30 days
Not watched long enough to say
Version
4.0 (2026.5.8, Chrome 56+)
Updated in the store
2026-05-09
Published
2014-07-27
Manifest
V2
Browser access
8 permissions

How it has moved

Users
-14 since 31.08
252-269 · 7 readings
  1. 2026-08-31268
  2. 2026-09-02269
  3. 2026-09-05257
  4. 2026-09-06252
  5. 2026-09-07256
  6. 2026-09-08254
  7. 2026-09-09254
Rating
unchanged since 31.08
reviewsrating 3.00 · 7 readings
  1. 2026-08-31reviews9rating3.00
  2. 2026-09-02reviews9rating3.00
  3. 2026-09-05reviews9rating3.00
  4. 2026-09-06reviews9rating3.00
  5. 2026-09-07reviews9rating3.00
  6. 2026-09-08reviews9rating3.00
  7. 2026-09-09reviews9rating3.00
Users
-14 since 31.08
252-269 · 7 readings
  1. 2026-08-31268
  2. 2026-09-02269
  3. 2026-09-05257
  4. 2026-09-06252
  5. 2026-09-07256
  6. 2026-09-08254
  7. 2026-09-09254
Rating
unchanged since 31.08
reviewsrating 3.00 · 7 readings
  1. 2026-08-31reviews9rating3.00
  2. 2026-09-02reviews9rating3.00
  3. 2026-09-05reviews9rating3.00
  4. 2026-09-06reviews9rating3.00
  5. 2026-09-07reviews9rating3.00
  6. 2026-09-08reviews9rating3.00
  7. 2026-09-09reviews9rating3.00

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

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

  • Declares app.window.alwaysOnTop
  • Add items to the right-click menu contextMenus
  • Show you notifications notifications
Show the remaining 5
  • Store data in your browser storage
  • Read your processor details system.cpu
  • Read your display setup system.display
  • Read how much memory your device has system.memory
  • Declares system.network

The full permission history for this extension

What changed recently

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

The publisher

Daniel Herr publishes 9 listings we track, 15k users between them. Listed website: danielherr.software.

  1. URL File Opener Daniel Herr · published 2016-02-06 10k users ★ 2.8
  2. Memory Monitor Daniel Herr · Productivity · Tools · published 2014-03-30 2k users ★ 4.4
  3. Bookmark Topper Daniel Herr · Make Chrome Yours · Functionality · published 2015-02-15 1k users ★ 4.5
Show 5 more from this publisher
  1. Single Tab Zoom Daniel Herr · Make Chrome Yours · Functionality · published 2017-02-10 775 users ★ 3.2
  2. Processor Monitor Daniel Herr · Productivity · Tools · published 2014-04-29 528 users ★ 4.5
  3. Link Controller Daniel Herr · Make Chrome Yours · Functionality · published 2015-02-23 425 users ★ 4.4
  4. Navigation Confirmation Daniel Herr · Make Chrome Yours · Functionality · published 2014-05-29 296 users ★ 2.9
  5. Code Editor Daniel Herr · published 2016-02-26 112 users ★ 3.5

Like this one

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

  1. System Monitor for CPU / Memory Describes nearly the same job, smaller audience 3k users ★ 4.6
  2. SysMonitor Describes nearly the same job, smaller audience 181 users ★ 5.0
  3. DepthTerminal System Monitor Describes nearly the same job, smaller audience 4 users
  4. System Monitor Describes nearly the same job, with an established audience 10k users ★ 4.6
  5. System CPU Usage Describes nearly the same job, smaller audience 383 users ★ 4.0

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.

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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.