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eBay Category Copier

Chrome extension by Efficiency · Productivity · Tools

A Chrome extension in Productivity · Tools with 244 users, barely installed. Audience over the last 30 days: +24.

Specific sites only: 1 match pattern.

What the developer says, and 1 screenshot

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

Users
244
Rating
5.0 (1 ratings)
Users, last 30 days
+24
Rating, last 30 days
Steady over 30 days
Version
1.0.3
Updated in the store
2025-09-23
Published
2025-09-23
Manifest
V3
Browser access
4 permissions, 1 site pattern

How it has moved

Users
+24 since 02.10
217-246 · 14 readings
  1. 2026-10-04217
  2. 2026-10-08233
  3. 2026-10-09234
  4. 2026-10-10236
  5. 2026-10-13238
  6. 2026-10-16238
  7. 2026-10-17235
  8. 2026-10-19232
  9. 2026-10-22235
  10. 2026-10-23237
  11. 2026-10-25239
  12. 2026-10-27243
  13. 2026-10-29246
  14. 2026-11-01244
Rating
unchanged since 02.10
reviewsrating 5.00 · 14 readings
  1. 2026-10-04reviews1rating5.00
  2. 2026-10-08reviews1rating5.00
  3. 2026-10-09reviews1rating5.00
  4. 2026-10-10reviews1rating5.00
  5. 2026-10-13reviews1rating5.00
  6. 2026-10-16reviews1rating5.00
  7. 2026-10-17reviews1rating5.00
  8. 2026-10-19reviews1rating5.00
  9. 2026-10-22reviews1rating5.00
  10. 2026-10-23reviews1rating5.00
  11. 2026-10-25reviews1rating5.00
  12. 2026-10-27reviews1rating5.00
  13. 2026-10-29reviews1rating5.00
  14. 2026-11-01reviews1rating5.00
Users
+30 since 01.09
208-246 · 29 readings
  1. 2026-09-01214
  2. 2026-09-02208
  3. 2026-09-04214
  4. 2026-09-05216
  5. 2026-09-07217
  6. 2026-09-08214
  7. 2026-09-10220
  8. 2026-09-13222
  9. 2026-09-15224
  10. 2026-09-17228
  11. 2026-09-20225
  12. 2026-09-21223
  13. 2026-09-25219
  14. 2026-09-26224
  15. 2026-09-28220
  16. 2026-10-04217
  17. 2026-10-08233
  18. 2026-10-09234
  19. 2026-10-10236
  20. 2026-10-13238
  21. 2026-10-16238
  22. 2026-10-17235
  23. 2026-10-19232
  24. 2026-10-22235
  25. 2026-10-23237
  26. 2026-10-25239
  27. 2026-10-27243
  28. 2026-10-29246
  29. 2026-11-01244
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. 2026-09-05reviews1rating5.00
  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. 2026-09-17reviews1rating5.00
  11. 2026-09-20reviews1rating5.00
  12. 2026-09-21reviews1rating5.00
  13. 2026-09-25reviews1rating5.00
  14. 2026-09-26reviews1rating5.00
  15. 2026-09-28reviews1rating5.00
  16. 2026-10-04reviews1rating5.00
  17. 2026-10-08reviews1rating5.00
  18. 2026-10-09reviews1rating5.00
  19. 2026-10-10reviews1rating5.00
  20. 2026-10-13reviews1rating5.00
  21. 2026-10-16reviews1rating5.00
  22. 2026-10-17reviews1rating5.00
  23. 2026-10-19reviews1rating5.00
  24. 2026-10-22reviews1rating5.00
  25. 2026-10-23reviews1rating5.00
  26. 2026-10-25reviews1rating5.00
  27. 2026-10-27reviews1rating5.00
  28. 2026-10-29reviews1rating5.00
  29. 2026-11-01reviews1rating5.00

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

Specific sites only: 1 match pattern.

  • *://*.ebay.com/*
  • See the address and title of every tab you have open tabs
  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
Show the remaining 1

The full permission history for this extension

What changed recently

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

The publisher

Efficiency publishes 4 listings we track, 288 users between them.

  1. e-Presearch Efficiency · Productivity · Tools · published 2025-09-26 30 users
  2. eBay Item ID Finder Efficiency · Productivity · Tools · published 2025-09-29 8 users ★ 5.0
  3. e-Presearch pro Efficiency · Productivity · Tools · published 2025-09-29 6 users

Like this one

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

  1. eBay Category Finder Describes nearly the same job, smaller audience 34 users
  2. CATegory ID Finder Pro for eBay Describes nearly the same job, smaller audience 26 users ★ 5.0
  3. eBay Category View Pro Describes nearly the same job, smaller audience 328 users
  4. eBay Item ID Finder Describes nearly the same job, smaller audience 8 users ★ 5.0
  5. ebayカテゴリー発見君 Describes a similar job, smaller audience 106 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

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/omcjobjohnccnhfkmamhkmileeljacem/badge.svg)](https://extops.dev/extensions/omcjobjohnccnhfkmamhkmileeljacem)

HTML

<a href="https://extops.dev/extensions/omcjobjohnccnhfkmamhkmileeljacem"><img src="https://extops.dev/extensions/omcjobjohnccnhfkmamhkmileeljacem/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 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built