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Opus - Focus Timer & Productivity Suite

Chrome extension by jelmer.jb04 · Productivity · Workflow

A Chrome extension in Productivity · Workflow with 74 users, barely installed.

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

What the developer says, and 5 screenshots

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

Users
74
Rating
4.3 (3 ratings)
Users, last 17 days
+5
Rating, last 30 days
Not watched long enough to say
Version
1.0.4
Updated in the store
2025-03-19
Published
2024-12-25
Manifest
V3
Browser access
7 permissions, 6 site patterns

How it has moved

Users
+5 since 31.08
69-78 · 8 readings
  1. 2026-08-3169
  2. 2026-09-0273
  3. 2026-09-0572
  4. 2026-09-0776
  5. 2026-09-0978
  6. 2026-09-1377
  7. 2026-09-1574
  8. 2026-09-1674
Rating
unchanged since 31.08
reviewsrating 4.33 · 8 readings
  1. 2026-08-31reviews3rating4.33
  2. 2026-09-02reviews3rating4.33
  3. 2026-09-05reviews3rating4.33
  4. 2026-09-07reviews3rating4.33
  5. 2026-09-09reviews3rating4.33
  6. 2026-09-13reviews3rating4.33
  7. 2026-09-15reviews3rating4.33
  8. 2026-09-16reviews3rating4.33
Users
+5 since 31.08
69-78 · 8 readings
  1. 2026-08-3169
  2. 2026-09-0273
  3. 2026-09-0572
  4. 2026-09-0776
  5. 2026-09-0978
  6. 2026-09-1377
  7. 2026-09-1574
  8. 2026-09-1674
Rating
unchanged since 31.08
reviewsrating 4.33 · 8 readings
  1. 2026-08-31reviews3rating4.33
  2. 2026-09-02reviews3rating4.33
  3. 2026-09-05reviews3rating4.33
  4. 2026-09-07reviews3rating4.33
  5. 2026-09-09reviews3rating4.33
  6. 2026-09-13reviews3rating4.33
  7. 2026-09-15reviews3rating4.33
  8. 2026-09-16reviews3rating4.33

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 your location geolocation
  • Block or redirect requests by rules it declares in advance declarativeNetRequest
  • See when you navigate between pages webNavigation
Show the remaining 4
  • Act on the current tab, but only after you click it activeTab
  • Add items to the right-click menu contextMenus
  • Show you notifications notifications
  • Store data in your browser storage

The full permission history for this extension

What changed recently

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

The publisher

jelmer.jb04.

Like this one

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

  1. FocusForge Describes nearly the same job, smaller audience 5 users ★ 5.0
  2. Kanso - New Tab with Focus Timer & Ambient Sounds Describes nearly the same job, smaller audience 8 users
  3. Bloom Describes nearly the same job, smaller audience 7 users
  4. AmbientFocus Describes nearly the same job, smaller audience 333 users ★ 5.0
  5. Deep Focus — Study Dashboard Describes nearly the same job, smaller audience 1 users (last published figure)

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.