String Blocker

Automatically closes tabs with specific strings not considered URL

As of June 2026, String Blocker has users in the Education category.

Usersno change0%
Ratingno change0%
— reviews
Reviewsno change0%
Version
1.1
Manifest V3

History

2 snapshots

Tracking since Apr 19, 2026.

2.1K1.2K284.96000000000004Apr 19, 2026Jun 6, 2026
View as table
DateUsersRatingReviewsVersion
Apr 19, 20264121.1
May 11, 20262.0K1.1
Now1.1

Permissions & access

Permissions
tabs
Host access
None declared

Screenshots

String Blocker screenshot 1

About

Blocks the following strings from being access on a managed Chromebook since they don't register as URLs to be blocked from Google Admin URL Blocker.

gndmhdcefbhlchkhipcnnbkcmicncehk
devtools://
filesystem
data:text

Technical

Version
1.1
Manifest
V3
Size
5.57KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
pnlcjhldgoldafhgejhdmgdepfcdpiel
Developer ID
udaf300099c2886e117f3928ae5f839b2
Developer Email
[email protected]
Created
Mar 12, 2025
Last Updated (Store)
Apr 14, 2025
Last Scraped
Jun 6, 2026
Website
Support URL
Privacy Policy

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Data sourced from the Chrome Web Store · last verified Jun 6, 2026.