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YouTube Summarizer: Cheatsheets for STEMB

Chrome extension by Youtube Summarizer STEMB · Productivity · Tools

  • Trader

A Chrome extension in Productivity · Tools with 5 users, barely installed. Audience over the last 30 days: -3.

Specific sites only: 5 match patterns.

What the developer says, and 5 screenshots

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

Users
5
Rating
not rated yet
Users, last 30 days
-3
Version
1.3.0
Updated in the store
2026-08-17
Published
2026-06-09
Manifest
V3
Browser access
5 permissions, 5 site patterns

How it has moved

Users
-3 since 16.10
5-10 · 15 readings
  1. 2026-10-168
  2. 2026-10-188
  3. 2026-10-219
  4. 2026-10-228
  5. 2026-10-239
  6. 2026-10-248
  7. 2026-10-279
  8. 2026-10-2910
  9. 2026-11-019
  10. 2026-11-038
  11. 2026-11-057
  12. 2026-11-077
  13. 2026-11-108
  14. 2026-11-145
  15. 2026-11-155
Users
-2 since 31.08
5-10 · 28 readings
  1. 2026-08-317
  2. 2026-09-038
  3. 2026-09-047
  4. 2026-09-067
  5. 2026-09-098
  6. 2026-09-107
  7. 2026-09-158
  8. 2026-09-218
  9. 2026-09-257
  10. 2026-09-268
  11. 2026-10-047
  12. 2026-10-098
  13. 2026-10-107
  14. 2026-10-168
  15. 2026-10-188
  16. 2026-10-219
  17. 2026-10-228
  18. 2026-10-239
  19. 2026-10-248
  20. 2026-10-279
  21. 2026-10-2910
  22. 2026-11-019
  23. 2026-11-038
  24. 2026-11-057
  25. 2026-11-077
  26. 2026-11-108
  27. 2026-11-145
  28. 2026-11-155

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: 5 match patterns.

  • *://*.youtube.com/*
  • https://stripe-webhook-khaki.vercel.app/*
  • https://identitytoolkit.googleapis.com/*
Show the remaining 2
  • https://securetoken.googleapis.com/*
  • https://firestore.googleapis.com/*
  • See the address and title of every tab you have open tabs
  • Sign you in with a Google account identity
  • Run its own code on the pages it can access scripting
Show the remaining 2
  • 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

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

The publisher

Youtube Summarizer STEMB.

Like this one

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

  1. PrepSheet: Free YouTube Notes Generator Describes nearly the same job, smaller audience 792 users ★ 5.0
  2. VidSage - AI Study Assistant Describes nearly the same job, smaller audience 4 users ★ 5.0
  3. LearnLens: Learn from YouTube with AI Tutor & Quizzes Describes nearly the same job, smaller audience 136 users ★ 5.0
  4. Course Hero: AI Study Assistant Describes nearly the same job, with an established audience 10k users ★ 4.7
  5. Gradus Describes nearly the same job, smaller audience 24 users ★ 4.2

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.

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Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-14. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built