Extension Tracker

YouTube Sleep Timer, Loop & Speed Control

6,000 users Rated 4.83 from 98 ratings Last updated 12 May 2026

By CWS Tools Live in the Chrome Web Store onjllacedollmfkbjijlnppimdofghhn Search Google ↗ Last checked 8 Nov 2026, 12:08 UTC

The listing

What the Chrome Web Store shows, as of the last check

Set a YouTube sleep timer, loop music or videos, and control playback speed easily. Take control of your viewing experience!Summary from the listing
Developer
CWS Tools
Enhanced Safe Browsing
Trusted. What this means →
Category
Make Chrome Yours › Functionality & UI
First published
19 Mar 2024
Last updated
12 May 2026
Version
1.2.7
Size
151 KiB
Minimum Chrome
88
Languages
52 languages

Deutsch, English, Filipino, Indonesia, Kiswahili, Melayu, Nederlands, Tiếng Việt, Türkçe, català, dansk, eesti, español, español (Latinoamérica), français, hrvatski, italiano, latviešu, lietuvių, magyar, norsk, polski, português (Brasil), português (Portugal), română, slovenčina, slovenščina, suomi, svenska, čeština, Ελληνικά, български, русский, српски, українська, עברית, العربية, فارسی, मराठी, हिन्दी, বাংলা, ગુજરાતી, தமிழ், తెలుగు, ಕನ್ನಡ, മലയാളം, ไทย, አማርኛ, 中文（中国）, 中文（台灣）, 日本語, 한국어

Privacy policy
https://docs.google.com/document/d/1xMhUrONxkvd8nVlSdMS5qPM2x8zSKYGIvycWAt1AlZc
See Chrome Web Store page ↗ View its code or download CRX ↗
Users over time As shown on the Chrome Web Store
6K8K10KTracking began 27 Sep 202627 Sep4 Oct11 Oct18 Oct25 Oct1 Nov8 Nov2026-09-27: 10,000 users2026-10-03: 10,000 users2026-10-10: 10,000 users2026-10-17: 10,000 users2026-10-24: 6,000 users2026-10-31: 6,000 users2026-11-08: 6,000 users6,0006K8K10KTracking began27 Sep18 Oct8 Nov2026-09-27: 10,000 users2026-10-03: 10,000 users2026-10-10: 10,000 users2026-10-17: 10,000 users2026-10-24: 6,000 users2026-10-31: 6,000 users2026-11-08: 6,000 users6K
Average rating
4.804.9027 Sep11 Oct25 Oct8 Nov4.834.804.9027 Sep18 Oct8 Nov4.83
Number of ratings
909527 Sep11 Oct25 Oct8 Nov98909527 Sep18 Oct8 Nov98
New version One point per check. Source: the extension's public Chrome Web Store listing.
Show the numbers
CheckedUsersRatingRatings
2026-11-086,0004.8398
2026-10-316,0004.8397
2026-10-246,0004.8395
2026-10-1710,0004.8395
2026-10-1010,0004.8493
2026-10-0310,0004.8391
2026-09-2710,0004.8390
Users, 7 days
No change
since a week ago
Users, 30 days
−4,000
-40.0%
Rank
#9,309
by users, of 292,131 extensions
In its category
#280
of 11,702 in Functionality & UI

What changed

Every change found on a check, newest first

  1. The developer's display name changed from “YouTube Sleep Timer” to “CWS Tools”.

Developer history

Moves to another publisher account and new contact emails, newest first

No move to another account and no new contact email since tracking began on 27 Sep 2026.

We know contact emails only by a keyed hash, so they're never shown. Recent account and contact changes →

What it can access

From the extension's manifest, in plain language

Sites
  • https://www.youtube.com/*www.youtube.com
Sites where it runs scripts
  • https://www.youtube.com/*www.youtube.com
Browser features
  • activeTabThe tab you're on, only after you click the extension
  • alarmsRun tasks on a schedule
  • scriptingRun scripts on sites it can reach
  • storageSave settings and data in your browser
Asked for later, if you agree
  • https://m.youtube.com/*m.youtube.com
  • https://music.youtube.com/*music.youtube.com

More from this developer

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All 9 extensions by CWS Tools →

About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 8 Nov 2026, 12:08 UTC; next check around 16 Nov 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “YouTube Sleep Timer, Loop & Speed Control” (onjllacedollmfkbjijlnppimdofghhn). Chrome Web Store data, last checked 2026-11-08. https://extensiontracker.com/extension/onjllacedollmfkbjijlnppimdofghhn. Accessed 2026-11-13.
BibTeX
@misc{extensiontracker_onjllacedollmfkbjijlnppimdofghhn,
  title   = {YouTube Sleep Timer, Loop & Speed Control (onjllacedollmfkbjijlnppimdofghhn)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-08},
  url     = {https://extensiontracker.com/extension/onjllacedollmfkbjijlnppimdofghhn},
  urldate = {2026-11-13}
}

The data is free to reuse under CC BY 4.0.

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