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Chrome extension by Alcor · Productivity · Workflow

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  • Established publisher

A Chrome extension in Productivity · Workflow with 211 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
211
Rating
5.0 (4 ratings)
Users, last 18 days
-37
Rating, last 30 days
Not watched long enough to say
Version
1.2.1
Updated in the store
2022-08-15
Published
2021-05-19
Manifest
V3
Browser access
6 permissions

How it has moved

Users
-37 since 01.09
211-250 · 11 readings
  1. 2026-09-01248
  2. 2026-09-02245
  3. 2026-09-04242
  4. 2026-09-06241
  5. 2026-09-07250
  6. 2026-09-09248
  7. 2026-09-10250
  8. 2026-09-13229
  9. 2026-09-15227
  10. 2026-09-16211
  11. 2026-09-18211
Rating
unchanged since 01.09
reviewsrating 5.00 · 11 readings
  1. 2026-09-01reviews4rating5.00
  2. 2026-09-02reviews4rating5.00
  3. 2026-09-04reviews4rating5.00
  4. 2026-09-06reviews4rating5.00
  5. 2026-09-07reviews4rating5.00
  6. 2026-09-09reviews4rating5.00
  7. 2026-09-10reviews4rating5.00
  8. 2026-09-13reviews4rating5.00
  9. 2026-09-15reviews4rating5.00
  10. 2026-09-16reviews4rating5.00
  11. 2026-09-18reviews4rating5.00
Users
-37 since 01.09
211-250 · 11 readings
  1. 2026-09-01248
  2. 2026-09-02245
  3. 2026-09-04242
  4. 2026-09-06241
  5. 2026-09-07250
  6. 2026-09-09248
  7. 2026-09-10250
  8. 2026-09-13229
  9. 2026-09-15227
  10. 2026-09-16211
  11. 2026-09-18211
Rating
unchanged since 01.09
reviewsrating 5.00 · 11 readings
  1. 2026-09-01reviews4rating5.00
  2. 2026-09-02reviews4rating5.00
  3. 2026-09-04reviews4rating5.00
  4. 2026-09-06reviews4rating5.00
  5. 2026-09-07reviews4rating5.00
  6. 2026-09-09reviews4rating5.00
  7. 2026-09-10reviews4rating5.00
  8. 2026-09-13reviews4rating5.00
  9. 2026-09-15reviews4rating5.00
  10. 2026-09-16reviews4rating5.00
  11. 2026-09-18reviews4rating5.00

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.

  • See the address and title of every tab you have open tabs
  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
Show the remaining 3
  • Add items to the right-click menu contextMenus
  • Store data in your browser storage
  • Organise your tabs into groups tabGroups

The full permission history for this extension

What changed recently

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

The publisher

Alcor publishes 9 listings we track, 2k users between them.

  1. Polychrome: Vertical Tab Groups & Search Alcor · Productivity · Workflow · published 2021-05-29 1k users ★ 4.6
  2. Standard macOS Gray Alcor · published 2020-02-09 619 users ★ 4.2
  3. Special Dark Gray Alcor · published 2018-07-22 159 users ★ 4.8
Show 5 more from this publisher
  1. Special Dark Blue Alcor · published 2017-11-11 21 users ★ 3.6
  2. Tab Recycler Alcor · Productivity · Workflow · published 2020-04-17 14 users
  3. itty.bitty Alcor · Productivity · Workflow · published 2022-07-29 13 users
  4. Emoji Title to Favicon Alcor · Productivity · Workflow · published 2022-08-20 8 users
  5. Special Dark Cherry Alcor · published 2017-11-11 7 users ★ 3.4

Like this one

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

  1. Advanced Tabs Describes nearly the same job, smaller audience 176 users ★ 5.0
  2. lazycluster Describes nearly the same job, smaller audience 3 users
  3. Tab Grouper Describes nearly the same job, smaller audience 13 users
  4. TabTail – Smart Tab Manager Describes nearly the same job, smaller audience 10 users ★ 5.0
  5. Group Manager Describes nearly the same job, smaller audience 94 users ★ 5.0

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.

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.