CRC Exam Lockdown
Chrome extension by Reformer Ejembi · Productivity · Education
A Chrome extension in Productivity · Education with 158 users, barely installed. Audience over the last 30 days: +5.
Specific sites only: 2 match patterns.
What the developer says, and 3 screenshots
Loading from the Chrome Web Store. Open the listing if it does not appear.
- Users
- 158
- Users, last 30 days
- +5
- Version
- 1.1.0
- Updated in the store
- 2026-05-15
- Published
- 2026-03-26
- Manifest
- V3
- Browser access
- 4 permissions, 2 site patterns
How it has moved
- 2026-10-16178
- 2026-10-17168
- 2026-10-18159
- 2026-10-22142
- 2026-10-23136
- 2026-10-24131
- 2026-10-25148
- 2026-10-28158
- 2026-10-29143
- 2026-10-30131
- 2026-11-01107
- 2026-11-04126
- 2026-11-06137
- 2026-11-07141
- 2026-11-08153
- 2026-11-11158
- 2026-09-010
- 2026-09-0279
- 2026-09-0374
- 2026-09-0575
- 2026-09-0673
- 2026-09-0971
- 2026-09-1075
- 2026-09-1352
- 2026-09-25126
- 2026-09-26130
- 2026-10-08138
- 2026-10-09136
- 2026-10-10153
- 2026-10-16178
- 2026-10-17168
- 2026-10-18159
- 2026-10-22142
- 2026-10-23136
- 2026-10-24131
- 2026-10-25148
- 2026-10-28158
- 2026-10-29143
- 2026-10-30131
- 2026-11-01107
- 2026-11-04126
- 2026-11-06137
- 2026-11-07141
- 2026-11-08153
- 2026-11-11158
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: 2 match patterns.
https://script.google.com/*https://script.googleusercontent.com/*
-
See the address and title of every tab you have open
tabs -
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 1
-
Store data in your browser
storage
What changed recently
Nothing has moved on this listing since we started watching it.
The publisher
Reformer Ejembi publishes 3 listings we track, 315 users between them.
-
CKA Exam Lockdown 154 users
-
ZenBlock 3 users (last published figure)
Like this one
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-
EduSquares Exam Lockdown 119 users
-
GDG Exam Proctor 55 users
-
Tutelage SentinelExam Guard 13 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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Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.
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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/fngcdhmnngpmeimcciajboimojckfnhe)<a href="https://extops.dev/extensions/fngcdhmnngpmeimcciajboimojckfnhe"><img src="https://extops.dev/extensions/fngcdhmnngpmeimcciajboimojckfnhe/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 2026-11-11. We publish no contact details for extension developers.