Extension Tracker

Castle Learning Tools

10,000 users Rated 5.00 from 4 ratings Last updated 20 May 2022

By Kenny Hui Live in the Chrome Web Store cjecdelginghgbedmaembjefeghndikg Last checked 26 Sep 2026, 23:10 UTC

The listing

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

Adds additional functionality to Castle LearningSummary from the listing
Developer
Kenny Hui
Trader status
Not declared a trader under EU law
Category
Productivity › Workflow & Planning
First published
20 May 2022
Last updated
20 May 2022
Version
1.0
Size
15.96 KiB
Minimum Chrome
88
Languages
1 language

English (United States)

Open in the Chrome Web Store ↗ Download the CRX from Google ↗
Users over time As shown on the Chrome Web Store

Tracking began on 26 Sep 2026. The chart appears after the second check.

Show the numbers
CheckedUsersRatingRatings
2026-09-2610,0005.004
Users, 7 days
–
needs a week of history
Users, 30 days
–
needs a month of history
Rank
#5,168
by users, of 264,254 extensions
In its category
#1,706
of 44,385 in Workflow & Planning

What changed

Every change found on a check, newest first

No changes found since tracking began on 26 Sep 2026.

What it can access

From the extension's manifest, in plain language

Browser features
  • activeTabThe tab you're on, only after you click the extension
  • scriptingRun scripts on sites it can reach
  • storageSave settings and data in your browser

More from this developer

Other extensions from the same publisher account

ExtensionUsersRatingRatingsCategory
Simplify Amazon Link188 5.001 Shopping
All 2 extensions by Kenny Hui →

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 26 Sep 2026, 23:10 UTC; next check around 29 Sep 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “Castle Learning Tools” (cjecdelginghgbedmaembjefeghndikg). Chrome Web Store data, last checked 2026-09-26. https://extensiontracker.com/extension/cjecdelginghgbedmaembjefeghndikg. Accessed 2026-09-27.
BibTeX
@misc{extensiontracker_cjecdelginghgbedmaembjefeghndikg,
  title   = {Castle Learning Tools (cjecdelginghgbedmaembjefeghndikg)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-26},
  url     = {https://extensiontracker.com/extension/cjecdelginghgbedmaembjefeghndikg},
  urldate = {2026-09-27}
}

The data is free to reuse under CC BY 4.0.

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