Ext Ops Panel
Open dashboard

BlockedStack

Chrome extension by A Chemical Mind · Productivity · Tools

  • Established publisher

A Chrome extension in Productivity · Tools with 438 users, barely installed. Audience over the last 30 days: +29.

Specific sites only: 3 match patterns.

What the developer says, and 2 screenshots

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

Users
438
Rating
5.0 (3 ratings)
Users, last 30 days
+29
Rating, last 30 days
Steady over 30 days
Version
1.3.0
Updated in the store
2026-02-23
Published
2025-02-13
Manifest
V3
Browser access
5 permissions, 3 site patterns

How it has moved

Users
+29 since 03.10
409-479 · 22 readings
  1. 2026-10-04426
  2. 2026-10-08439
  3. 2026-10-09446
  4. 2026-10-10444
  5. 2026-10-11441
  6. 2026-10-13432
  7. 2026-10-16434
  8. 2026-10-17432
  9. 2026-10-18433
  10. 2026-10-19444
  11. 2026-10-20451
  12. 2026-10-21456
  13. 2026-10-22464
  14. 2026-10-23471
  15. 2026-10-24472
  16. 2026-10-25479
  17. 2026-10-26476
  18. 2026-10-28478
  19. 2026-10-29462
  20. 2026-10-30454
  21. 2026-11-01443
  22. 2026-11-02438
Rating
unchanged since 03.10
reviewsrating 5.00 · 22 readings
  1. 2026-10-04reviews3rating5.00
  2. 2026-10-08reviews3rating5.00
  3. 2026-10-09reviews3rating5.00
  4. 2026-10-10reviews3rating5.00
  5. 2026-10-11reviews3rating5.00
  6. 2026-10-13reviews3rating5.00
  7. 2026-10-16reviews3rating5.00
  8. 2026-10-17reviews3rating5.00
  9. 2026-10-18reviews3rating5.00
  10. 2026-10-19reviews3rating5.00
  11. 2026-10-20reviews3rating5.00
  12. 2026-10-21reviews3rating5.00
  13. 2026-10-22reviews3rating5.00
  14. 2026-10-23reviews3rating5.00
  15. 2026-10-24reviews3rating5.00
  16. 2026-10-25reviews3rating5.00
  17. 2026-10-26reviews3rating5.00
  18. 2026-10-28reviews3rating5.00
  19. 2026-10-29reviews3rating5.00
  20. 2026-10-30reviews3rating5.00
  21. 2026-11-01reviews3rating5.00
  22. 2026-11-02reviews3rating5.00
Users
+49 since 31.08
387-479 · 36 readings
  1. 2026-08-31389
  2. 2026-09-02387
  3. 2026-09-04392
  4. 2026-09-05388
  5. 2026-09-06393
  6. 2026-09-07403
  7. 2026-09-09414
  8. 2026-09-15402
  9. 2026-09-17403
  10. 2026-09-20391
  11. 2026-09-21388
  12. 2026-09-25401
  13. 2026-09-27400
  14. 2026-09-28409
  15. 2026-10-04426
  16. 2026-10-08439
  17. 2026-10-09446
  18. 2026-10-10444
  19. 2026-10-11441
  20. 2026-10-13432
  21. 2026-10-16434
  22. 2026-10-17432
  23. 2026-10-18433
  24. 2026-10-19444
  25. 2026-10-20451
  26. 2026-10-21456
  27. 2026-10-22464
  28. 2026-10-23471
  29. 2026-10-24472
  30. 2026-10-25479
  31. 2026-10-26476
  32. 2026-10-28478
  33. 2026-10-29462
  34. 2026-10-30454
  35. 2026-11-01443
  36. 2026-11-02438
Rating
unchanged since 31.08
reviewsrating 5.00 · 36 readings
  1. 2026-08-31reviews3rating5.00
  2. 2026-09-02reviews3rating5.00
  3. 2026-09-04reviews3rating5.00
  4. 2026-09-05reviews3rating5.00
  5. 2026-09-06reviews3rating5.00
  6. 2026-09-07reviews3rating5.00
  7. 2026-09-09reviews3rating5.00
  8. 2026-09-15reviews3rating5.00
  9. 2026-09-17reviews3rating5.00
  10. 2026-09-20reviews3rating5.00
  11. 2026-09-21reviews3rating5.00
  12. 2026-09-25reviews3rating5.00
  13. 2026-09-27reviews3rating5.00
  14. 2026-09-28reviews3rating5.00
  15. 2026-10-04reviews3rating5.00
  16. 2026-10-08reviews3rating5.00
  17. 2026-10-09reviews3rating5.00
  18. 2026-10-10reviews3rating5.00
  19. 2026-10-11reviews3rating5.00
  20. 2026-10-13reviews3rating5.00
  21. 2026-10-16reviews3rating5.00
  22. 2026-10-17reviews3rating5.00
  23. 2026-10-18reviews3rating5.00
  24. 2026-10-19reviews3rating5.00
  25. 2026-10-20reviews3rating5.00
  26. 2026-10-21reviews3rating5.00
  27. 2026-10-22reviews3rating5.00
  28. 2026-10-23reviews3rating5.00
  29. 2026-10-24reviews3rating5.00
  30. 2026-10-25reviews3rating5.00
  31. 2026-10-26reviews3rating5.00
  32. 2026-10-28reviews3rating5.00
  33. 2026-10-29reviews3rating5.00
  34. 2026-10-30reviews3rating5.00
  35. 2026-11-01reviews3rating5.00
  36. 2026-11-02reviews3rating5.00

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: 3 match patterns.

  • http://substack.com/*
  • https://substack.com/*
  • https://*.substack.com/*
  • Manage your downloads downloads
  • 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 2

The full permission history for this extension

What changed recently

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

The publisher

A Chemical Mind. Listed website: chemicalmind.substack.com.

Like this one

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

  1. Substack Distractions Hider Describes nearly the same job, smaller audience 22 users ★ 5.0
  2. Reply Inbox for Substack Describes nearly the same job, smaller audience 40 users
  3. Substack Analytics Blocker Describes nearly the same job, smaller audience 3 users (last published figure)
  4. Substack Notes Keyword Filter Describes nearly the same job, smaller audience 7 users ★ 5.0
  5. AutoStackNotes Describes nearly the same job, smaller audience 9 users ★ 5.0

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

HTML

<a href="https://extops.dev/extensions/djnfpfgbiimojakglbbhgoimdepgmcok"><img src="https://extops.dev/extensions/djnfpfgbiimojakglbbhgoimdepgmcok/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 2026-11-02. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built