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Chrome extension by K21 Academy · Productivity · Education

A Chrome extension in Productivity · Education with 7 users, barely installed. Audience over the last 30 days: +2.

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
5.0 (1 ratings)
Users, last 30 days
+2
Rating, last 30 days
Steady over 30 days
Version
1.0
Updated in the store
2026-04-24
Published
2026-04-24
Manifest
V3
Browser access
3 permissions

How it has moved

Users
+2 since 12.10
5-8 · 12 readings
  1. 2026-10-136
  2. 2026-10-186
  3. 2026-10-217
  4. 2026-10-226
  5. 2026-10-237
  6. 2026-10-246
  7. 2026-10-297
  8. 2026-11-018
  9. 2026-11-037
  10. 2026-11-078
  11. 2026-11-087
  12. 2026-11-117
Rating
unchanged since 12.10
reviewsrating 5.00 · 12 readings
  1. 2026-10-13reviews1rating5.00
  2. 2026-10-18reviews1rating5.00
  3. 2026-10-21reviews1rating5.00
  4. 2026-10-22reviews1rating5.00
  5. 2026-10-23reviews1rating5.00
  6. 2026-10-24reviews1rating5.00
  7. 2026-10-29reviews1rating5.00
  8. 2026-11-01reviews1rating5.00
  9. 2026-11-03reviews1rating5.00
  10. 2026-11-07reviews1rating5.00
  11. 2026-11-08reviews1rating5.00
  12. 2026-11-11reviews1rating5.00
Users
unchanged since 01.09
5-10 · 29 readings
  1. 2026-09-017
  2. 2026-09-028
  3. 2026-09-049
  4. 2026-09-0610
  5. 2026-09-079
  6. 2026-09-0810
  7. 2026-09-109
  8. 2026-09-138
  9. 2026-09-159
  10. 2026-09-168
  11. 2026-09-218
  12. 2026-09-279
  13. 2026-09-287
  14. 2026-10-046
  15. 2026-10-085
  16. 2026-10-096
  17. 2026-10-105
  18. 2026-10-136
  19. 2026-10-186
  20. 2026-10-217
  21. 2026-10-226
  22. 2026-10-237
  23. 2026-10-246
  24. 2026-10-297
  25. 2026-11-018
  26. 2026-11-037
  27. 2026-11-078
  28. 2026-11-087
  29. 2026-11-117
Rating
unchanged since 01.09
reviewsrating 5.00 · 29 readings
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-04reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-07reviews1rating5.00
  6. 2026-09-08reviews1rating5.00
  7. 2026-09-10reviews1rating5.00
  8. 2026-09-13reviews1rating5.00
  9. 2026-09-15reviews1rating5.00
  10. 2026-09-16reviews1rating5.00
  11. 2026-09-21reviews1rating5.00
  12. 2026-09-27reviews1rating5.00
  13. 2026-09-28reviews1rating5.00
  14. 2026-10-04reviews1rating5.00
  15. 2026-10-08reviews1rating5.00
  16. 2026-10-09reviews1rating5.00
  17. 2026-10-10reviews1rating5.00
  18. 2026-10-13reviews1rating5.00
  19. 2026-10-18reviews1rating5.00
  20. 2026-10-21reviews1rating5.00
  21. 2026-10-22reviews1rating5.00
  22. 2026-10-23reviews1rating5.00
  23. 2026-10-24reviews1rating5.00
  24. 2026-10-29reviews1rating5.00
  25. 2026-11-01reviews1rating5.00
  26. 2026-11-03reviews1rating5.00
  27. 2026-11-07reviews1rating5.00
  28. 2026-11-08reviews1rating5.00
  29. 2026-11-11reviews1rating5.00

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.

The full permission history for this extension

What changed recently

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

The publisher

K21 Academy publishes 4 listings we track, 21 users between them.

  1. Skool Unlocked Courses Filter K21 Academy · Productivity · Education · published 2026-03-11 7 users
  2. Frosted — WhatsApp Web Privacy K21 Academy · Make Chrome Yours · Privacy · published 2026-08-01 4 users (last published figure)
  3. Clipboard Manager K21 Academy · Productivity · Tools · published 2026-02-12 3 users (last published figure)

Like this one

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

  1. Podia ID Inspector Describes nearly the same job, smaller audience 10 users
  2. Shopify Product Info by OptimCommerce Describes nearly the same job, smaller audience 3k users ★ 5.0
  3. Shopify Admin Copy to Clipboard - Copy Products, Collections fields Describes nearly the same job, smaller audience 12 users
  4. Woo Dev Tools Describes nearly the same job, smaller audience 4 users
  5. Product Viewer for Shopify Describes nearly the same job, smaller audience 9 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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The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

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HTML

<a href="https://extops.dev/extensions/nnhpifkelajbinihdkdjiamehfcpoija"><img src="https://extops.dev/extensions/nnhpifkelajbinihdkdjiamehfcpoija/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-08. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built