Detailed Note Study Guard
Chrome extension by calvintai0402 · Productivity · Education
- Trader
A Chrome extension in Productivity · Education with 22 users, barely installed. Audience over the last 30 days: +5.
Every site you visit. This extension can read and change the content of any page you open.
What the developer says, and 1 screenshot
Loading from the Chrome Web Store. Open the listing if it does not appear.
- Users
- 22
- Users, last 30 days
- +5
- Version
- 0.1.0
- Updated in the store
- 2026-06-18
- Published
- 2026-06-18
- Manifest
- V3
- Browser access
- 7 permissions, 6 site patterns
How it has moved
- 2026-10-0420
- 2026-10-0821
- 2026-10-0922
- 2026-10-1023
- 2026-10-1626
- 2026-10-1727
- 2026-10-1829
- 2026-10-1926
- 2026-10-2027
- 2026-10-2225
- 2026-10-2424
- 2026-10-2523
- 2026-10-2624
- 2026-10-2825
- 2026-10-2924
- 2026-10-3025
- 2026-11-0122
- 2026-09-010
- 2026-09-024
- 2026-09-066
- 2026-09-075
- 2026-09-096
- 2026-09-107
- 2026-09-138
- 2026-09-1510
- 2026-09-178
- 2026-09-2015
- 2026-09-2518
- 2026-09-2716
- 2026-09-2817
- 2026-10-0420
- 2026-10-0821
- 2026-10-0922
- 2026-10-1023
- 2026-10-1626
- 2026-10-1727
- 2026-10-1829
- 2026-10-1926
- 2026-10-2027
- 2026-10-2225
- 2026-10-2424
- 2026-10-2523
- 2026-10-2624
- 2026-10-2825
- 2026-10-2924
- 2026-10-3025
- 2026-11-0122
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
Every site you visit. This extension can read and change the content of any page you open.
-
Block or redirect requests by rules it declares in advance
declarativeNetRequest -
Run its own code on the pages it can access
scripting -
Act on the current tab, but only after you click it
activeTab
Show the remaining 4
-
Schedule work to run later
alarms -
Add items to the right-click menu
contextMenus -
Show you notifications
notifications -
Store data in your browser
storage
What changed recently
Nothing has moved on this listing since we started watching it.
The publisher
Like this one
Listings the catalog judges closest in what they say they do.
-
StudyLock 9 users
-
Kohru 16 users
-
FocusFence: Website Blocker for Study 4 users
-
study-buddy 12 users
-
Capy: Study Timer, Notes, Flashcards & Site Blocker 24 users
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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The badge shows the audience and rating from our last pass over the store and links back to this page.
[](https://extops.dev/extensions/cjafkjikmackabcphoefdfcokgocpdie)<a href="https://extops.dev/extensions/cjafkjikmackabcphoefdfcokgocpdie"><img src="https://extops.dev/extensions/cjafkjikmackabcphoefdfcokgocpdie/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-01. We publish no contact details for extension developers.