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Chrome extension by 系统1与系统2 · Productivity · Tools

A Chrome extension in Productivity · Tools with 14 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
14
Rating
not rated yet
Users, last 14 days
unchanged
Version
1.0.0
Updated in the store
2025-08-18
Published
2025-08-18
Manifest
V3
Browser access
2 permissions

How it has moved

Users
unchanged since 01.09
14-16 · 8 readings
  1. 2026-09-0114
  2. 2026-09-0215
  3. 2026-09-0516
  4. 2026-09-0615
  5. 2026-09-0816
  6. 2026-09-0915
  7. 2026-09-1314
  8. 2026-09-1414
Users
unchanged since 01.09
14-16 · 8 readings
  1. 2026-09-0114
  2. 2026-09-0215
  3. 2026-09-0516
  4. 2026-09-0615
  5. 2026-09-0816
  6. 2026-09-0915
  7. 2026-09-1314
  8. 2026-09-1414

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.

  • Act on the current tab, but only after you click it activeTab
  • 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

系统1与系统2 publishes 4 listings we track, 44 users between them.

  1. Clean YouTube - Focus Mode 系统1与系统2 · Productivity · Tools · published 2025-08-18 16 users
  2. 日语学习助手 - 日本語学習アシスタント 系统1与系统2 · Productivity · Education · published 2026-03-01 9 users
  3. Clean X 系统1与系统2 · Productivity · Tools · published 2025-08-26 5 users

Like this one

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

  1. Distraction Free BiliBili Describes nearly the same job, smaller audience 108 users ★ 4.2
  2. B站视频过滤器 Describes nearly the same job, smaller audience 10 users (last published figure)
  3. B站净化器bilibilicleaner Describes nearly the same job, smaller audience 12 users
  4. bilibili Ads Remover Describes nearly the same job, smaller audience 1k users ★ 4.6
  5. B站未登录弹窗屏蔽 Describes nearly the same job, smaller audience 457 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.

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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.