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Chrome extension by mamizukurage · Productivity · Tools

A Chrome extension in Productivity · Tools with 12 users, barely installed. Audience over the last 30 days: +6.

Specific sites only: 1 match pattern.

What the developer says, and 5 screenshots

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

Users
12
Rating
not rated yet
Users, last 30 days
+6
Version
1.0.0
Updated in the store
2026-09-29
Published
2026-09-29
Manifest
V3
Browser access
2 permissions, 1 site pattern

How it has moved

Users
+6 since 12.10
6-13 · 16 readings
  1. 2026-10-138
  2. 2026-10-167
  3. 2026-10-188
  4. 2026-10-197
  5. 2026-10-228
  6. 2026-10-239
  7. 2026-10-2411
  8. 2026-10-2510
  9. 2026-10-2813
  10. 2026-10-2911
  11. 2026-11-0112
  12. 2026-11-0613
  13. 2026-11-0712
  14. 2026-11-0813
  15. 2026-11-0912
  16. 2026-11-1112
Users
+12 since 30.09
0-13 · 21 readings
2026-09-30: appeared in the store
  1. 2026-09-300appeared in the store
  2. 2026-10-045
  3. 2026-10-096
  4. 2026-10-108
  5. 2026-10-116
  6. 2026-10-138
  7. 2026-10-167
  8. 2026-10-188
  9. 2026-10-197
  10. 2026-10-228
  11. 2026-10-239
  12. 2026-10-2411
  13. 2026-10-2510
  14. 2026-10-2813
  15. 2026-10-2911
  16. 2026-11-0112
  17. 2026-11-0613
  18. 2026-11-0712
  19. 2026-11-0813
  20. 2026-11-0912
  21. 2026-11-1112

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Specific sites only: 1 match pattern.

  • https://www.youtube.com/*
  • Run its own code on the pages it can access scripting
  • Store data in your browser storage

The full permission history for this extension

What changed recently

  1. Appeared in the store

The publisher

mamizukurage publishes 3 listings we track, 20 users between them.

  1. 動画キャプチャ for YouTube mamizukurage · Productivity · Tools · published 2026-09-29 5 users
  2. 配信フォーカス mamizukurage · Lifestyle · Entertainment · published 2026-09-28 3 users

Like this one

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

  1. YouTube Timestamp Describes nearly the same job, smaller audience 60 users
  2. TimeClip Clipper Describes nearly the same job, smaller audience 26 users
  3. ナマズ切り抜きメモ Describes nearly the same job, smaller audience 6 users
  4. タイムスタンプ記録 Describes nearly the same job, smaller audience 8 users
  5. TimeStampGo - タイムスタンプ作成支援 Describes nearly the same job, smaller audience 26 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.

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Users and rating on Ext Ops Panel

Markdown

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HTML

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Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-09. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built