Ext Ops Panel
Open dashboard

Equalizer + Bass Boost, per Tab — Umbra EQ

Chrome extension by Nocturne · Productivity · Tools

A Chrome extension in Productivity · Tools with 458 users, barely installed. Audience over the last 30 days: +172.

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
458
Rating
5.0 (31 ratings)
Users, last 30 days
+172
Rating, last 30 days
Steady over 30 days
Version
2.5.0
Updated in the store
2026-11-09
Published
2026-07-07
Manifest
V3
Browser access
4 permissions

How it has moved

Users
+172 since 12.10
286-458 · 21 readings
2026-11-09: released 2.5.0
  1. 2026-10-13296
  2. 2026-10-16321
  3. 2026-10-17329
  4. 2026-10-18341
  5. 2026-10-19338
  6. 2026-10-21339
  7. 2026-10-22339
  8. 2026-10-23347
  9. 2026-10-24354
  10. 2026-10-25355
  11. 2026-10-27374
  12. 2026-10-29397
  13. 2026-10-31395
  14. 2026-11-01401
  15. 2026-11-03417
  16. 2026-11-05428
  17. 2026-11-07440
  18. 2026-11-08451
  19. 2026-11-09457released 2.5.0
  20. 2026-11-10458
  21. 2026-11-11458
Rating
unchanged since 12.10
reviewsrating 5.00 · 21 readings
2026-11-09: released 2.5.0
  1. 2026-10-13reviews31rating5.00
  2. 2026-10-16reviews31rating5.00
  3. 2026-10-17reviews31rating5.00
  4. 2026-10-18reviews31rating5.00
  5. 2026-10-19reviews31rating5.00
  6. 2026-10-21reviews31rating5.00
  7. 2026-10-22reviews31rating5.00
  8. 2026-10-23reviews31rating5.00
  9. 2026-10-24reviews31rating5.00
  10. 2026-10-25reviews31rating5.00
  11. 2026-10-27reviews31rating5.00
  12. 2026-10-29reviews31rating5.00
  13. 2026-10-31reviews31rating5.00
  14. 2026-11-01reviews31rating5.00
  15. 2026-11-03reviews31rating5.00
  16. 2026-11-05reviews31rating5.00
  17. 2026-11-07reviews31rating5.00
  18. 2026-11-08reviews31rating5.00
  19. 2026-11-09reviews31rating5.00released 2.5.0
  20. 2026-11-10reviews31rating5.00
  21. 2026-11-11reviews31rating5.00
Users
+304 since 01.09
154-458 · 40 readings
2026-11-09: released 2.5.0
  1. 2026-09-01154
  2. 2026-09-03157
  3. 2026-09-04176
  4. 2026-09-05182
  5. 2026-09-07186
  6. 2026-09-08190
  7. 2026-09-09201
  8. 2026-09-13209
  9. 2026-09-15219
  10. 2026-09-20232
  11. 2026-09-21237
  12. 2026-09-25240
  13. 2026-09-26239
  14. 2026-09-28240
  15. 2026-10-05258
  16. 2026-10-08278
  17. 2026-10-09276
  18. 2026-10-10284
  19. 2026-10-11286
  20. 2026-10-13296
  21. 2026-10-16321
  22. 2026-10-17329
  23. 2026-10-18341
  24. 2026-10-19338
  25. 2026-10-21339
  26. 2026-10-22339
  27. 2026-10-23347
  28. 2026-10-24354
  29. 2026-10-25355
  30. 2026-10-27374
  31. 2026-10-29397
  32. 2026-10-31395
  33. 2026-11-01401
  34. 2026-11-03417
  35. 2026-11-05428
  36. 2026-11-07440
  37. 2026-11-08451
  38. 2026-11-09457released 2.5.0
  39. 2026-11-10458
  40. 2026-11-11458
Rating
unchanged since 01.09
reviewsrating 5.00 · 40 readings
2026-11-09: released 2.5.0
  1. 2026-09-01reviews18rating5.00
  2. 2026-09-03reviews18rating5.00
  3. 2026-09-04reviews18rating5.00
  4. 2026-09-05reviews18rating5.00
  5. 2026-09-07reviews18rating5.00
  6. 2026-09-08reviews18rating5.00
  7. 2026-09-09reviews18rating5.00
  8. 2026-09-13reviews29rating5.00
  9. 2026-09-15reviews29rating5.00
  10. 2026-09-20reviews29rating5.00
  11. 2026-09-21reviews29rating5.00
  12. 2026-09-25reviews29rating5.00
  13. 2026-09-26reviews29rating5.00
  14. 2026-09-28reviews29rating5.00
  15. 2026-10-05reviews29rating5.00
  16. 2026-10-08reviews29rating5.00
  17. 2026-10-09reviews30rating5.00
  18. 2026-10-10reviews30rating5.00
  19. 2026-10-11reviews30rating5.00
  20. 2026-10-13reviews31rating5.00
  21. 2026-10-16reviews31rating5.00
  22. 2026-10-17reviews31rating5.00
  23. 2026-10-18reviews31rating5.00
  24. 2026-10-19reviews31rating5.00
  25. 2026-10-21reviews31rating5.00
  26. 2026-10-22reviews31rating5.00
  27. 2026-10-23reviews31rating5.00
  28. 2026-10-24reviews31rating5.00
  29. 2026-10-25reviews31rating5.00
  30. 2026-10-27reviews31rating5.00
  31. 2026-10-29reviews31rating5.00
  32. 2026-10-31reviews31rating5.00
  33. 2026-11-01reviews31rating5.00
  34. 2026-11-03reviews31rating5.00
  35. 2026-11-05reviews31rating5.00
  36. 2026-11-07reviews31rating5.00
  37. 2026-11-08reviews31rating5.00
  38. 2026-11-09reviews31rating5.00released 2.5.0
  39. 2026-11-10reviews31rating5.00
  40. 2026-11-11reviews31rating5.00

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.

  • Capture the contents of a tab tabCapture
  • Act on the current tab, but only after you click it activeTab
  • Run work in a hidden page offscreen
Show the remaining 1
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 2.5.0

What changed recently

  1. Package size changed
  2. Supported languages changed (1 → 2)
  3. Store description rewritten (114 → 122 characters)
Show the remaining 1
  1. Released version 2.5.0 (was 2.4.1)

The publisher

Nocturne.

Like this one

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

  1. Equalizer Describes nearly the same job, smaller audience 8 users ★ 5.0
  2. Volume Booster & Equalizer for Tabs Describes nearly the same job, smaller audience 3 users (last published figure)
  3. Tab Volume – Volume Booster & Equalizer Describes nearly the same job, smaller audience 5 users
  4. Browser EQ - Free Parametric Equalizer Describes nearly the same job, smaller audience 103 users
  5. SoundSphere Describes nearly the same job, smaller audience 28 users ★ 3.0

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.

Want this mark on your extension in our catalog?

Verify that you are its author and you can show this mark on the card, with live banners for your site and README. How verification works

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

Add a badge to your README or site

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/plkncppcgglcjdkmcdeajhbfccbnnoee/badge.svg)](https://extops.dev/extensions/plkncppcgglcjdkmcdeajhbfccbnnoee)

HTML

<a href="https://extops.dev/extensions/plkncppcgglcjdkmcdeajhbfccbnnoee"><img src="https://extops.dev/extensions/plkncppcgglcjdkmcdeajhbfccbnnoee/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 2026-11-10. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built