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LockDown Browser for SmarterMarksReviews, users & alternatives

By Respondus Inc

LockDown Browser is a custom browser that locks down the exam environment within specific learning and assessment systems

Track on RadarChrome Web StoreStore
On the storeUnder a yrsApproximate
Users≈80KStore-rounded
Rating1.01 rating
Updated23 Sep 2026v0.4.91
AccessHigh11 of 19 sensitive

Screenshots

1
1 of 1

Details

Website
Not listed
Version
0.4.91
Size
4.6MiB
Manifest
V3
Extension ID
nmbkjjdpomgkikhjmjabfkiedbojeopi

The maker

All 15 listings

Respondus IncUpdates often

15 listings · ≈35.1M users

Reviews

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Permissions

What it can access, not what it does.

High access

Can read and change every website you visit.

Browser access 17

Sensitive11

  • Read and change data on every website<all_urls>
  • Read and change your browsing historyhistory
  • Read and change site cookies, including loginscookies
  • Follow every page you openwebNavigation
  • Watch the web traffic your browser sendswebRequest
  • See the address and title of every open tabtabs

Members see when a new version asks for more.

Website access All

  • All websites

Competitors

Finding competitors…

Source: Chrome Web Store and Ext Watch checks. “—” = not tracked yet.

LockDown Browser for SmarterMarks at a glance

LockDown Browser for SmarterMarks is an Education extension by Respondus Inc with ≈80K users. Chrome Web Store users rate it 1.0 out of 5 from 1 rating, which is still a small sample. By users it sits in the top 1% of Education extensions. It was updated 7 weeks ago.

LockDown Browser for SmarterMarks alternatives

Closest by what they do

All LockDown Browser for SmarterMarks alternatives compared. Best Education extensions

Is LockDown Browser for SmarterMarks safe? (permissions)

LockDown Browser for SmarterMarks asks for 16 permissions and access to 3 site patterns. 11 of them give wide access:

  • <all_urls>: Read and change data on every website
  • history: Read and change your browsing history
  • cookies: Read and change site cookies, including logins
  • webNavigation: Follow every page you open
  • webRequest: Watch the web traffic your browser sends
  • tabs: See the address and title of every open tab

Permissions show what it could do, not what it does. See the full permission list.

LockDown Browser for SmarterMarks not working?

  • No new reviews were posted in the last 90 days, so there are no fresh complaint signals.

Common fixes

  • Update Chrome and the extension
  • Turn it off and on in chrome://extensions
  • Reload the page
  • Turn other extensions off in case two clash

Still stuck? Contact the maker or try an alternative.