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NoDup

Chrome extension by Yel · Productivity · Tools

A Chrome extension in Productivity · Tools with 27 users, barely installed. Audience over the last 30 days: -10.

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

What the developer says, and 3 screenshots

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

Users
27
Rating
5.0 (3 ratings)
Users, last 30 days
-10
Rating, last 30 days
Steady over 30 days
Version
0.5.1
Updated in the store
2026-09-29
Published
2026-09-12
Manifest
V3
Browser access
3 permissions

How it has moved

Users
-10 since 11.10
23-56 · 15 readings
  1. 2026-10-1335
  2. 2026-10-1652
  3. 2026-10-2053
  4. 2026-10-2154
  5. 2026-10-2355
  6. 2026-10-2456
  7. 2026-10-2552
  8. 2026-10-2842
  9. 2026-10-2932
  10. 2026-11-0123
  11. 2026-11-0325
  12. 2026-11-0626
  13. 2026-11-0725
  14. 2026-11-0827
  15. 2026-11-0927
Rating
unchanged since 11.10
reviewsrating 5.00 · 15 readings
  1. 2026-10-13reviews3rating5.00
  2. 2026-10-16reviews3rating5.00
  3. 2026-10-20reviews3rating5.00
  4. 2026-10-21reviews3rating5.00
  5. 2026-10-23reviews3rating5.00
  6. 2026-10-24reviews3rating5.00
  7. 2026-10-25reviews3rating5.00
  8. 2026-10-28reviews3rating5.00
  9. 2026-10-29reviews3rating5.00
  10. 2026-11-01reviews3rating5.00
  11. 2026-11-03reviews3rating5.00
  12. 2026-11-06reviews3rating5.00
  13. 2026-11-07reviews3rating5.00
  14. 2026-11-08reviews3rating5.00
  15. 2026-11-09reviews3rating5.00
Users
+27 since 13.09
0-56 · 25 readings
2026-09-13: appeared in the store2026-09-14: released 0.4.02026-09-27: released 0.5.02026-09-29: released 0.5.1
  1. 2026-09-130appeared in the store
  2. 2026-09-154
  3. 2026-09-175
  4. 2026-09-2111
  5. 2026-09-2530
  6. 2026-09-2732released 0.5.0
  7. 2026-10-0438
  8. 2026-10-0836
  9. 2026-10-0933
  10. 2026-10-1037
  11. 2026-10-1335
  12. 2026-10-1652
  13. 2026-10-2053
  14. 2026-10-2154
  15. 2026-10-2355
  16. 2026-10-2456
  17. 2026-10-2552
  18. 2026-10-2842
  19. 2026-10-2932
  20. 2026-11-0123
  21. 2026-11-0325
  22. 2026-11-0626
  23. 2026-11-0725
  24. 2026-11-0827
  25. 2026-11-0927
Rating
+5.00 since 13.09
reviewsrating 0.00-5.00 · 25 readings
2026-09-13: appeared in the store2026-09-14: released 0.4.02026-09-27: released 0.5.02026-09-29: released 0.5.1
  1. 2026-09-13reviews0rating0.00appeared in the store
  2. 2026-09-15reviews0rating0.00
  3. 2026-09-17reviews2rating5.00
  4. 2026-09-21reviews2rating5.00
  5. 2026-09-25reviews2rating5.00
  6. 2026-09-27reviews2rating5.00released 0.5.0
  7. 2026-10-04reviews3rating5.00
  8. 2026-10-08reviews3rating5.00
  9. 2026-10-09reviews3rating5.00
  10. 2026-10-10reviews3rating5.00
  11. 2026-10-13reviews3rating5.00
  12. 2026-10-16reviews3rating5.00
  13. 2026-10-20reviews3rating5.00
  14. 2026-10-21reviews3rating5.00
  15. 2026-10-23reviews3rating5.00
  16. 2026-10-24reviews3rating5.00
  17. 2026-10-25reviews3rating5.00
  18. 2026-10-28reviews3rating5.00
  19. 2026-10-29reviews3rating5.00
  20. 2026-11-01reviews3rating5.00
  21. 2026-11-03reviews3rating5.00
  22. 2026-11-06reviews3rating5.00
  23. 2026-11-07reviews3rating5.00
  24. 2026-11-08reviews3rating5.00
  25. 2026-11-09reviews3rating5.00

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.

  • See the address and title of every tab you have open tabs
  • See when you navigate between pages webNavigation
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 0.5.1
  2. Version 0.5.0
  3. Version 0.4.0

What changed recently

  1. Package size changed
  2. Released version 0.5.1 (was 0.5.0)
  3. Now requires Chrome 127
Show the remaining 7
  1. Package size changed
  2. Store description rewritten
  3. Released version 0.5.0 (was 0.4.0)
  4. Package size changed
  5. Store description rewritten (67 → 80 characters)
  6. Released version 0.4.0 (was 0.3.0)
  7. Appeared in the store

The publisher

Yel.

Like this one

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

  1. Tab Reuser Describes nearly the same job, smaller audience 49 users
  2. Prevent Duplicate Tabs Describes nearly the same job, smaller audience 951 users ★ 4.4
  3. Reuse Tabs Describes nearly the same job, smaller audience 10 users
  4. No Duplicate Tabs Describes nearly the same job, smaller audience 14 users
  5. Duplicate Tab Helper Describes nearly the same job, smaller audience 3k users ★ 3.4

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

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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 2026-11-08. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built