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Chrome extension by karel.test.special · Productivity · Workflow

A Chrome extension in Productivity · Workflow with 27 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 4 screenshots

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

Users
27
Rating
5.0 (1 ratings)
Users, last 16 days
+6
Rating, last 30 days
Not watched long enough to say
Version
5.6
Updated in the store
2026-09-02
Published
2025-08-25
Manifest
V3
Browser access
3 permissions

How it has moved

Users
+6 since 31.08
21-27 · 7 readings
2026-09-02: released 5.6
  1. 2026-08-3121
  2. 2026-09-0322
  3. 2026-09-0423
  4. 2026-09-0626
  5. 2026-09-1027
  6. 2026-09-1326
  7. 2026-09-1527
Rating
unchanged since 31.08
reviewsrating 5.00 · 7 readings
2026-09-02: released 5.6
  1. 2026-08-31reviews1rating5.00
  2. 2026-09-03reviews1rating5.00
  3. 2026-09-04reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-10reviews1rating5.00
  6. 2026-09-13reviews1rating5.00
  7. 2026-09-15reviews1rating5.00
Users
+6 since 31.08
21-27 · 7 readings
2026-09-02: released 5.6
  1. 2026-08-3121
  2. 2026-09-0322
  3. 2026-09-0423
  4. 2026-09-0626
  5. 2026-09-1027
  6. 2026-09-1326
  7. 2026-09-1527
Rating
unchanged since 31.08
reviewsrating 5.00 · 7 readings
2026-09-02: released 5.6
  1. 2026-08-31reviews1rating5.00
  2. 2026-09-03reviews1rating5.00
  3. 2026-09-04reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-10reviews1rating5.00
  6. 2026-09-13reviews1rating5.00
  7. 2026-09-15reviews1rating5.00

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
  • Read and change your bookmarks bookmarks
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 5.6

What changed recently

  1. Package size changed
  2. Released version 5.6 (was 5.5)

The publisher

karel.test.special publishes 10 listings we track, 2k users between them.

  1. Google AI Studio - File Reader karel.test.special · Productivity · Tools · published 2025-08-08 841 users ★ 4.3
  2. Battery Percentage karel.test.special · Productivity · Tools · published 2025-07-09 448 users ★ 4.5
  3. NotebookLM Source Uploader karel.test.special · Productivity · Tools · published 2025-07-09 391 users ★ 5.0
Show 5 more from this publisher
  1. YouTube Playlist Collector karel.test.special · Productivity · Tools · published 2025-07-08 139 users ★ 5.0
  2. YouTube Rightclick Link Collector karel.test.special · Productivity · Tools · published 2025-07-02 96 users ★ 4.2
  3. Slim Window Video Viewer karel.test.special · Productivity · Tools · published 2025-09-07 83 users ★ 5.0
  4. Very Practical Clock & Notepad karel.test.special · Productivity · Workflow · published 2025-06-16 51 users ★ 5.0
  5. MD Reader karel.test.special · Productivity · Tools · published 2026-01-17 50 users ★ 5.0

Like this one

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

  1. Bookmark Startpage Describes nearly the same job, smaller audience 13 users
  2. GridTab - Modern New Tab Describes nearly the same job, smaller audience 29 users
  3. New Tab Bookmarks Describes nearly the same job, smaller audience 19 users ★ 4.3
  4. pureTabs Describes nearly the same job, smaller audience 5 users
  5. Portal Atlas Describes nearly the same job, smaller audience 9 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.

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.