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Chrome extension by mayuzumi · Productivity · Tools

A Chrome extension in Productivity · Tools with 233 users, barely installed. Audience over the last 30 days: +66.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 2 screenshots

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

Users
233
Rating
5.0 (1 ratings)
Users, last 30 days
+66
Rating, last 30 days
+5.00 in 30 days
Version
5.4.2
Updated in the store
2026-05-04
Published
2026-05-04
Manifest
V3
Browser access
3 permissions

How it has moved

Users
+66 since 03.10
167-234 · 18 readings
  1. 2026-10-05188
  2. 2026-10-08193
  3. 2026-10-09196
  4. 2026-10-10204
  5. 2026-10-18206
  6. 2026-10-19208
  7. 2026-10-20209
  8. 2026-10-21208
  9. 2026-10-22206
  10. 2026-10-23207
  11. 2026-10-24211
  12. 2026-10-25210
  13. 2026-10-26217
  14. 2026-10-28224
  15. 2026-10-29228
  16. 2026-10-30229
  17. 2026-11-01234
  18. 2026-11-02233
Rating
+5.00 since 03.10
reviewsrating 0.00-5.00 · 18 readings
  1. 2026-10-05reviews0rating0.00
  2. 2026-10-08reviews0rating0.00
  3. 2026-10-09reviews0rating0.00
  4. 2026-10-10reviews0rating0.00
  5. 2026-10-18reviews0rating0.00
  6. 2026-10-19reviews0rating0.00
  7. 2026-10-20reviews0rating0.00
  8. 2026-10-21reviews0rating0.00
  9. 2026-10-22reviews1rating5.00
  10. 2026-10-23reviews1rating5.00
  11. 2026-10-24reviews1rating5.00
  12. 2026-10-25reviews1rating5.00
  13. 2026-10-26reviews1rating5.00
  14. 2026-10-28reviews1rating5.00
  15. 2026-10-29reviews1rating5.00
  16. 2026-10-30reviews1rating5.00
  17. 2026-11-01reviews1rating5.00
  18. 2026-11-02reviews1rating5.00
Users
+104 since 31.08
129-234 · 32 readings
  1. 2026-08-31129
  2. 2026-09-02132
  3. 2026-09-04133
  4. 2026-09-06136
  5. 2026-09-07138
  6. 2026-09-09142
  7. 2026-09-13155
  8. 2026-09-15158
  9. 2026-09-17163
  10. 2026-09-20167
  11. 2026-09-22165
  12. 2026-09-25161
  13. 2026-09-27165
  14. 2026-09-28167
  15. 2026-10-05188
  16. 2026-10-08193
  17. 2026-10-09196
  18. 2026-10-10204
  19. 2026-10-18206
  20. 2026-10-19208
  21. 2026-10-20209
  22. 2026-10-21208
  23. 2026-10-22206
  24. 2026-10-23207
  25. 2026-10-24211
  26. 2026-10-25210
  27. 2026-10-26217
  28. 2026-10-28224
  29. 2026-10-29228
  30. 2026-10-30229
  31. 2026-11-01234
  32. 2026-11-02233
Rating
+5.00 since 31.08
reviewsrating 0.00-5.00 · 32 readings
  1. 2026-08-31reviews0rating0.00
  2. 2026-09-02reviews0rating0.00
  3. 2026-09-04reviews0rating0.00
  4. 2026-09-06reviews0rating0.00
  5. 2026-09-07reviews0rating0.00
  6. 2026-09-09reviews0rating0.00
  7. 2026-09-13reviews0rating0.00
  8. 2026-09-15reviews0rating0.00
  9. 2026-09-17reviews0rating0.00
  10. 2026-09-20reviews0rating0.00
  11. 2026-09-22reviews0rating0.00
  12. 2026-09-25reviews0rating0.00
  13. 2026-09-27reviews0rating0.00
  14. 2026-09-28reviews0rating0.00
  15. 2026-10-05reviews0rating0.00
  16. 2026-10-08reviews0rating0.00
  17. 2026-10-09reviews0rating0.00
  18. 2026-10-10reviews0rating0.00
  19. 2026-10-18reviews0rating0.00
  20. 2026-10-19reviews0rating0.00
  21. 2026-10-20reviews0rating0.00
  22. 2026-10-21reviews0rating0.00
  23. 2026-10-22reviews1rating5.00
  24. 2026-10-23reviews1rating5.00
  25. 2026-10-24reviews1rating5.00
  26. 2026-10-25reviews1rating5.00
  27. 2026-10-26reviews1rating5.00
  28. 2026-10-28reviews1rating5.00
  29. 2026-10-29reviews1rating5.00
  30. 2026-10-30reviews1rating5.00
  31. 2026-11-01reviews1rating5.00
  32. 2026-11-02reviews1rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing 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

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Manage your downloads downloads
  • 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

mayuzumi publishes 4 listings we track, 253 users between them.

  1. Image Reaper mayuzumi · Productivity · Tools · published 2026-04-27 9 users
  2. ReadMemo mayuzumi · Productivity · Tools · published 2026-03-25 8 users
  3. そろばん計算機 mayuzumi · Productivity · Tools · published 2026-04-20 3 users (last published figure)

Like this one

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

  1. NicoNico Multi-Tool Describes nearly the same job, smaller audience 36 users
  2. nico downloader Describes nearly the same job, with a large installed audience 100k users ★ 4.0
  3. Better Niconico Describes nearly the same job, smaller audience 55 users
  4. nicohistory Describes nearly the same job, smaller audience 8 users
  5. Niconico-PepperMint+ Describes nearly the same job, smaller audience 4k users ★ 4.2

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 2026-11-02. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built