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Education

YouTube Study Companion

By weider.hsu

Professional playback controls for learning: Speed, Loop, Bookmarks, and Notes.

View Chrome Web Store
Time on the storeUnder a yearA rough range, not an exact date
Store users10As shown on the Chrome Web Store
Chrome Web Store rating5.0 / 52 ratings on the Chrome Web Store
Last store update30 Sep 2026Version 4.2.2, 9 days ago

Inside the extension

YouTube Study Companion developer product preview 1
Product image 1 of 6

Reviews

Loading reviews…

Competitors

Closest by name, description, category or topic.

Finding the closest competitors…

Permissions & access

Access levelMedium

Can see the address and title of every open tab, plus 2 more sensitive permissions.

What it’s allowed to do, not what it actually does. Not a safety rating.

Permissions 8

Sensitive3

  • See the address and title of every open tabtabs
  • Ask for your Google account sign-inidentity
  • See your Google account emailidentity.email

Standard5

  • Open in the side panelsidePanel
  • Run its code on pages it can accessscripting
  • Work on the tab you click it onactiveTab

Members also see when a new version asks for new access.

Website access 4

  • music.youtube.com
  • youtube.com and its subdomains
  • script.google.com
  • script.googleusercontent.com
Extension ID
fokipkeokojifnmcgobckhmajpejgjcl
Package size
32.48MiB
Manifest
Version 3

The maker

This is the only listing we know of from weider.hsu.

Listings
1
Combined store users
≈10
Store Featured
0

Combined users can count the same person more than once. Maker profile

Ext Watch AI

Should you build in this niche?

See plans

One research report for YouTube Study Companion. Reports come with Plus, Pro and Max.

  • Takeaway & demandCited takeaway and search volumes
  • Traffic & domainPopularity rank, visits and authority
  • Money & pricingPlans and prices from the maker’s site
  • ReviewsComplaints and praise, quoted
  • Competitors & ranksRank against the closest listings
  • Build opportunityWhat to build and how to position it
  • Every number shows its source and date
  • Ready in a minute or two
  • Report and PDF yours for 30 days
Overview
Explore the store
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Plans & usage
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