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Chrome extension by まっつー · Lifestyle · Fun

A Chrome extension in Lifestyle · Fun with 3 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 3 screenshots

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

Users
3 (the store no longer states an audience; this is the last figure it published)
Rating
not rated yet
Users, last 16 days
unchanged
Version
1.0.2
Updated in the store
2026-05-03
Published
2026-04-03
Manifest
V3
Browser access
No permissions declared

How it has moved

Users
unchanged since 01.09
0-4 · 8 readings
  1. 2026-09-013
  2. 2026-09-024
  3. 2026-09-043
  4. 2026-09-063
  5. 2026-09-092
  6. 2026-09-130
  7. 2026-09-153
  8. 2026-09-163
Users
unchanged since 01.09
0-4 · 8 readings
  1. 2026-09-013
  2. 2026-09-024
  3. 2026-09-043
  4. 2026-09-063
  5. 2026-09-092
  6. 2026-09-130
  7. 2026-09-153
  8. 2026-09-163

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

まっつー publishes 2 listings we track, 8 users between them.

  1. Cat Extension - 画面に現れるリラックス猫 まっつー · Lifestyle · Fun · published 2026-04-21 5 users (last published figure)

Like this one

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

  1. OverlayFX Describes nearly the same job, smaller audience 34 users
  2. Anime Game Chrome™ Describes nearly the same job, smaller audience 37 users
  3. Vibe Overlay Describes nearly the same job, smaller audience 9 users
  4. Youtube Effects Describes nearly the same job, smaller audience 38 users ★ 5.0
  5. goSuperDark Describes nearly the same job, smaller audience 227 users ★ 4.5

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.