Ext Ops Panel
Open dashboard

YouTube Chapter Editor

Chrome extension by Naoto Tazawa · Productivity · Tools

A Chrome extension in Productivity · Tools with 984 users, barely installed. Audience over the last 30 days: +2.

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
984
Rating
4.0 (9 ratings)
Users, last 30 days
+2
Rating, last 30 days
Steady over 30 days
Version
1.0.8
Updated in the store
2025-03-18
Published
2020-09-14
Manifest
V3
Browser access
3 permissions, 1 site pattern

How it has moved

Users
+2 since 04.10
965-1k · 22 readings
  1. 2026-10-051k
  2. 2026-10-08980
  3. 2026-10-09975
  4. 2026-10-10983
  5. 2026-10-13975
  6. 2026-10-16976
  7. 2026-10-17971
  8. 2026-10-18965
  9. 2026-10-19966
  10. 2026-10-20969
  11. 2026-10-21977
  12. 2026-10-22982
  13. 2026-10-23975
  14. 2026-10-24973
  15. 2026-10-25978
  16. 2026-10-26984
  17. 2026-10-28988
  18. 2026-10-29992
  19. 2026-10-30997
  20. 2026-11-01987
  21. 2026-11-02984
  22. 2026-11-03984
Rating
unchanged since 04.10
reviewsrating 4.00 · 22 readings
  1. 2026-10-05reviews9rating4.00
  2. 2026-10-08reviews9rating4.00
  3. 2026-10-09reviews9rating4.00
  4. 2026-10-10reviews9rating4.00
  5. 2026-10-13reviews9rating4.00
  6. 2026-10-16reviews9rating4.00
  7. 2026-10-17reviews9rating4.00
  8. 2026-10-18reviews9rating4.00
  9. 2026-10-19reviews9rating4.00
  10. 2026-10-20reviews9rating4.00
  11. 2026-10-21reviews9rating4.00
  12. 2026-10-22reviews9rating4.00
  13. 2026-10-23reviews9rating4.00
  14. 2026-10-24reviews9rating4.00
  15. 2026-10-25reviews9rating4.00
  16. 2026-10-26reviews9rating4.00
  17. 2026-10-28reviews9rating4.00
  18. 2026-10-29reviews9rating4.00
  19. 2026-10-30reviews9rating4.00
  20. 2026-11-01reviews9rating4.00
  21. 2026-11-02reviews9rating4.00
  22. 2026-11-03reviews9rating4.00
Users
+28 since 31.08
956-1k · 36 readings
  1. 2026-08-31956
  2. 2026-09-03958
  3. 2026-09-05967
  4. 2026-09-06967
  5. 2026-09-08962
  6. 2026-09-09972
  7. 2026-09-13997
  8. 2026-09-15993
  9. 2026-09-16982
  10. 2026-09-20963
  11. 2026-09-22966
  12. 2026-09-25958
  13. 2026-09-27966
  14. 2026-09-28982
  15. 2026-10-051k
  16. 2026-10-08980
  17. 2026-10-09975
  18. 2026-10-10983
  19. 2026-10-13975
  20. 2026-10-16976
  21. 2026-10-17971
  22. 2026-10-18965
  23. 2026-10-19966
  24. 2026-10-20969
  25. 2026-10-21977
  26. 2026-10-22982
  27. 2026-10-23975
  28. 2026-10-24973
  29. 2026-10-25978
  30. 2026-10-26984
  31. 2026-10-28988
  32. 2026-10-29992
  33. 2026-10-30997
  34. 2026-11-01987
  35. 2026-11-02984
  36. 2026-11-03984
Rating
unchanged since 31.08
reviewsrating 4.00 · 36 readings
  1. 2026-08-31reviews9rating4.00
  2. 2026-09-03reviews9rating4.00
  3. 2026-09-05reviews9rating4.00
  4. 2026-09-06reviews9rating4.00
  5. 2026-09-08reviews9rating4.00
  6. 2026-09-09reviews9rating4.00
  7. 2026-09-13reviews9rating4.00
  8. 2026-09-15reviews9rating4.00
  9. 2026-09-16reviews9rating4.00
  10. 2026-09-20reviews9rating4.00
  11. 2026-09-22reviews9rating4.00
  12. 2026-09-25reviews9rating4.00
  13. 2026-09-27reviews9rating4.00
  14. 2026-09-28reviews9rating4.00
  15. 2026-10-05reviews9rating4.00
  16. 2026-10-08reviews9rating4.00
  17. 2026-10-09reviews9rating4.00
  18. 2026-10-10reviews9rating4.00
  19. 2026-10-13reviews9rating4.00
  20. 2026-10-16reviews9rating4.00
  21. 2026-10-17reviews9rating4.00
  22. 2026-10-18reviews9rating4.00
  23. 2026-10-19reviews9rating4.00
  24. 2026-10-20reviews9rating4.00
  25. 2026-10-21reviews9rating4.00
  26. 2026-10-22reviews9rating4.00
  27. 2026-10-23reviews9rating4.00
  28. 2026-10-24reviews9rating4.00
  29. 2026-10-25reviews9rating4.00
  30. 2026-10-26reviews9rating4.00
  31. 2026-10-28reviews9rating4.00
  32. 2026-10-29reviews9rating4.00
  33. 2026-10-30reviews9rating4.00
  34. 2026-11-01reviews9rating4.00
  35. 2026-11-02reviews9rating4.00
  36. 2026-11-03reviews9rating4.00

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.

  • https://studio.youtube.com/
  • See the address and title of every tab you have open tabs
  • Run its own code on the pages it can access scripting
  • React to what a page contains without reading it declarativeContent

The full permission history for this extension

What changed recently

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

The publisher

Naoto Tazawa publishes 2 listings we track, 1k users between them.

  1. Simple Snippet Board Naoto Tazawa · Productivity · Workflow · published 2021-03-10 139 users ★ 4.0

Like this one

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

  1. Add chapters to youtube video Describes nearly the same job, smaller audience 365 users ★ 5.0
  2. YouTube Chapter Builder Describes nearly the same job, smaller audience 5 users
  3. YouTube Chapters Generator: ChapterFast Describes nearly the same job, smaller audience 102 users ★ 5.0
  4. YouTube Chapter Generator — ChapterGen AI Describes nearly the same job, smaller audience 27 users
  5. Auto Chapters for YouTube Describes nearly the same job, smaller audience 46 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.

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

HTML

<a href="https://extops.dev/extensions/bjcbfemjpjpoiefolemocadinijjdmgd"><img src="https://extops.dev/extensions/bjcbfemjpjpoiefolemocadinijjdmgd/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