Ext Ops Panel
Open dashboard

PCO MusicStand MIDI control

Chrome extension by martijnversluis · Productivity · Workflow

A Chrome extension in Productivity · Workflow with 83 users, barely installed. Audience over the last 30 days: -6.

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
83
Rating
5.0 (1 ratings)
Users, last 30 days
-6
Rating, last 30 days
Steady over 30 days
Version
0.2.0
Updated in the store
2026-10-21
Published
2020-05-29
Manifest
V3
Browser access
1 permission

How it has moved

Users
-6 since 06.10
78-95 · 17 readings
2026-10-22: released 0.2.0
  1. 2026-10-0895
  2. 2026-10-0992
  3. 2026-10-1087
  4. 2026-10-1192
  5. 2026-10-1687
  6. 2026-10-1880
  7. 2026-10-1979
  8. 2026-10-2182
  9. 2026-10-2278released 0.2.0
  10. 2026-10-2379
  11. 2026-10-2482
  12. 2026-10-2584
  13. 2026-10-2885
  14. 2026-10-2980
  15. 2026-11-0181
  16. 2026-11-0383
  17. 2026-11-0583
Rating
unchanged since 06.10
reviewsrating 5.00 · 17 readings
2026-10-22: released 0.2.0
  1. 2026-10-08reviews1rating5.00
  2. 2026-10-09reviews1rating5.00
  3. 2026-10-10reviews1rating5.00
  4. 2026-10-11reviews1rating5.00
  5. 2026-10-16reviews1rating5.00
  6. 2026-10-18reviews1rating5.00
  7. 2026-10-19reviews1rating5.00
  8. 2026-10-21reviews1rating5.00
  9. 2026-10-22reviews1rating5.00released 0.2.0
  10. 2026-10-23reviews1rating5.00
  11. 2026-10-24reviews1rating5.00
  12. 2026-10-25reviews1rating5.00
  13. 2026-10-28reviews1rating5.00
  14. 2026-10-29reviews1rating5.00
  15. 2026-11-01reviews1rating5.00
  16. 2026-11-03reviews1rating5.00
  17. 2026-11-05reviews1rating5.00
Users
+5 since 31.08
72-95 · 32 readings
2026-10-22: released 0.2.0
  1. 2026-08-3178
  2. 2026-09-0277
  3. 2026-09-0374
  4. 2026-09-0572
  5. 2026-09-0679
  6. 2026-09-0878
  7. 2026-09-1083
  8. 2026-09-1580
  9. 2026-09-1781
  10. 2026-09-2086
  11. 2026-09-2285
  12. 2026-09-2589
  13. 2026-09-2792
  14. 2026-09-2888
  15. 2026-10-0489
  16. 2026-10-0895
  17. 2026-10-0992
  18. 2026-10-1087
  19. 2026-10-1192
  20. 2026-10-1687
  21. 2026-10-1880
  22. 2026-10-1979
  23. 2026-10-2182
  24. 2026-10-2278released 0.2.0
  25. 2026-10-2379
  26. 2026-10-2482
  27. 2026-10-2584
  28. 2026-10-2885
  29. 2026-10-2980
  30. 2026-11-0181
  31. 2026-11-0383
  32. 2026-11-0583
Rating
unchanged since 31.08
reviewsrating 5.00 · 32 readings
2026-10-22: released 0.2.0
  1. 2026-08-31reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-03reviews1rating5.00
  4. 2026-09-05reviews1rating5.00
  5. 2026-09-06reviews1rating5.00
  6. 2026-09-08reviews1rating5.00
  7. 2026-09-10reviews1rating5.00
  8. 2026-09-15reviews1rating5.00
  9. 2026-09-17reviews1rating5.00
  10. 2026-09-20reviews1rating5.00
  11. 2026-09-22reviews1rating5.00
  12. 2026-09-25reviews1rating5.00
  13. 2026-09-27reviews1rating5.00
  14. 2026-09-28reviews1rating5.00
  15. 2026-10-04reviews1rating5.00
  16. 2026-10-08reviews1rating5.00
  17. 2026-10-09reviews1rating5.00
  18. 2026-10-10reviews1rating5.00
  19. 2026-10-11reviews1rating5.00
  20. 2026-10-16reviews1rating5.00
  21. 2026-10-18reviews1rating5.00
  22. 2026-10-19reviews1rating5.00
  23. 2026-10-21reviews1rating5.00
  24. 2026-10-22reviews1rating5.00released 0.2.0
  25. 2026-10-23reviews1rating5.00
  26. 2026-10-24reviews1rating5.00
  27. 2026-10-25reviews1rating5.00
  28. 2026-10-28reviews1rating5.00
  29. 2026-10-29reviews1rating5.00
  30. 2026-11-01reviews1rating5.00
  31. 2026-11-03reviews1rating5.00
  32. 2026-11-05reviews1rating5.00

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.

  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 0.2.0

What changed recently

  1. Package size changed
  2. Released version 0.2.0 (was 0.1.0)

The publisher

martijnversluis.

Like this one

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

  1. Smart DSP - Web MIDI Mapper Describes nearly the same job, smaller audience 101 users ★ 1.0
  2. Deezer Midi Control Describes nearly the same job, smaller audience 89 users ★ 5.0
  3. KBD To MIDI Piano Describes nearly the same job, with an established audience 10k users ★ 4.2
  4. MIDI Player Describes nearly the same job, smaller audience 6k users ★ 3.7
  5. Flat.io Slider Toggle Describes nearly the same job, smaller audience 57 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.

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.

Connect it in a minute See what the panel does
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/kmembogkkaemdjopnnmpmikldmlclfhc/badge.svg)](https://extops.dev/extensions/kmembogkkaemdjopnnmpmikldmlclfhc)

HTML

<a href="https://extops.dev/extensions/kmembogkkaemdjopnnmpmikldmlclfhc"><img src="https://extops.dev/extensions/kmembogkkaemdjopnnmpmikldmlclfhc/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 2026-11-03. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built