Ext Ops Panel
Open dashboard

ChapterJump – Chapters, Timestamps & Bookmarks for YouTube

Chrome extension by Roman Petrov · Productivity · Tools

A Chrome extension in Productivity · Tools with 6 users, barely installed.

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

What the developer says, and 5 screenshots

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

Users
6
Rating
5.0 (1 ratings)
Users, last 10 days
+5
Rating, last 30 days
Not watched long enough to say
Version
1.0.0
Updated in the store
2026-09-27
Published
2026-09-25
Manifest
V3
Browser access
2 permissions

How it has moved

Users
+5 since 26.09
1-6 · 4 readings
2026-09-26: appeared in the store
  1. 2026-09-261appeared in the store
  2. 2026-09-283
  3. 2026-10-046
  4. 2026-10-056
Rating
+5.00 since 26.09
reviewsrating 0.00-5.00 · 4 readings
2026-09-26: appeared in the store
  1. 2026-09-26reviews0rating0.00appeared in the store
  2. 2026-09-28reviews0rating0.00
  3. 2026-10-04reviews1rating5.00
  4. 2026-10-05reviews1rating5.00
Users
+5 since 26.09
1-6 · 4 readings
2026-09-26: appeared in the store
  1. 2026-09-261appeared in the store
  2. 2026-09-283
  3. 2026-10-046
  4. 2026-10-056
Rating
+5.00 since 26.09
reviewsrating 0.00-5.00 · 4 readings
2026-09-26: appeared in the store
  1. 2026-09-26reviews0rating0.00appeared in the store
  2. 2026-09-28reviews0rating0.00
  3. 2026-10-04reviews1rating5.00
  4. 2026-10-05reviews1rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once 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.

  • Act on the current tab, but only after you click it activeTab
  • Store data in your browser storage

The full permission history for this extension

What changed recently

  1. Store description rewritten
  2. Appeared in the store

The publisher

Roman Petrov. Listed website: chapterjump-mu.vercel.app.

Like this one

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

  1. YouTube Chapters Describes nearly the same job, smaller audience 80 users
  2. Markd Describes nearly the same job, smaller audience 4 users ★ 5.0
  3. YouTube Chapters In Player Describes nearly the same job, smaller audience 1k users ★ 4.1
  4. Youtube Chapters Switcher Describes nearly the same job, smaller audience 12 users
  5. Auto Chapters for YouTube Describes nearly the same job, smaller audience 29 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.

Is this your extension?

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

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.