Ext Ops Panel
Open the app

sssDntCls : keep the last window open

Chrome extension by SenSyuSya development · Productivity · Tools

A Chrome extension in Productivity · Tools with 7 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
7
Rating
not rated yet
Users, last 17 days
unchanged
Version
1.0.2
Updated in the store
2026-06-17
Published
2026-06-16
Manifest
V3
Browser access
No permissions declared

How it has moved

Users
unchanged since 01.09
6-8 · 10 readings
  1. 2026-09-017
  2. 2026-09-038
  3. 2026-09-047
  4. 2026-09-068
  5. 2026-09-077
  6. 2026-09-098
  7. 2026-09-107
  8. 2026-09-136
  9. 2026-09-158
  10. 2026-09-177
Users
unchanged since 01.09
6-8 · 10 readings
  1. 2026-09-017
  2. 2026-09-038
  3. 2026-09-047
  4. 2026-09-068
  5. 2026-09-077
  6. 2026-09-098
  7. 2026-09-107
  8. 2026-09-136
  9. 2026-09-158
  10. 2026-09-177

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.

We have not read this listing's manifest since we started keeping permission names. The counts above come from the last time we did.

The full permission history for this extension

What changed recently

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

The publisher

SenSyuSya development publishes 7 listings we track, 56 users between them.

  1. sssHideCur : mouse pointer hider SenSyuSya development · Make Chrome Yours · Accessibility · published 2026-07-21 11 users
  2. sssSelLnkr : open multiple links with tabs SenSyuSya development · Productivity · Tools · published 2026-06-13 10 users
  3. sssRssV : RSS viewer SenSyuSya development · Productivity · Tools · published 2026-06-04 9 users
Show 3 more from this publisher
  1. sssRldTabG - Reload Tab Group SenSyuSya development · Make Chrome Yours · Functionality · published 2026-07-24 8 users
  2. sssHistCm : Show history in context menu SenSyuSya development · Productivity · Tools · published 2026-06-17 6 users
  3. sssNowL : now loading mark on window SenSyuSya development · Productivity · Tools · published 2026-06-05 5 users

Like this one

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

  1. Prevent Closing of Google Chrome™ Describes nearly the same job, smaller audience 9 users
  2. Keep open Describes nearly the same job, smaller audience 81 users ★ 5.0
  3. Don't Close Window With Last Tab Describes nearly the same job, with an established audience 50k users ★ 3.9
  4. Do not close browser with last tab Describes nearly the same job, smaller audience 327 users ★ 2.6
  5. Last Tab Keeper Describes nearly the same job, smaller audience 89 users ★ 2.0

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.