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NetShield

Chrome extension by Mathias · Productivity · Tools

A Chrome extension in Productivity · Tools with 1 000 users, a small but real audience.

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
1 000
Rating
1.0 (1 ratings)
Users, last 19 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
3.9.2
Updated in the store
2026-09-08
Published
2025-10-14
Manifest
V3
Browser access
6 permissions, 1 site pattern

How it has moved

Users
unchanged since 31.08
0-1k · 4 readings
2026-09-09: released 3.9.2
  1. 2026-08-311k
  2. 2026-09-060
  3. 2026-09-071k
  4. 2026-09-181k
Rating
unchanged since 31.08
reviewsrating 1.00 · 4 readings
2026-09-09: released 3.9.2
  1. 2026-08-31reviews1rating1.00
  2. 2026-09-06reviews1rating1.00
  3. 2026-09-07reviews1rating1.00
  4. 2026-09-18reviews1rating1.00
Users
unchanged since 31.08
0-1k · 4 readings
2026-09-09: released 3.9.2
  1. 2026-08-311k
  2. 2026-09-060
  3. 2026-09-071k
  4. 2026-09-181k
Rating
unchanged since 31.08
reviewsrating 1.00 · 4 readings
2026-09-09: released 3.9.2
  1. 2026-08-31reviews1rating1.00
  2. 2026-09-06reviews1rating1.00
  3. 2026-09-07reviews1rating1.00
  4. 2026-09-18reviews1rating1.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once 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.

  • See the address and title of every tab you have open tabs
  • Block or redirect requests by rules it declares in advance declarativeNetRequest
  • See which of its blocking rules matched declarativeNetRequestFeedback
Show the remaining 3
  • Schedule work to run later alarms
  • Show you notifications notifications
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 3.9.2

What changed recently

  1. Package size changed
  2. Store description rewritten
  3. Released version 3.9.2 (was 3.8)

The publisher

Mathias publishes 3 listings we track, 1k users between them.

  1. NoAI Search - Skole Edition Mathias · Productivity · Tools · published 2025-12-12 4 users
  2. SkoleOS Anti-log Mathias · Make Chrome Yours · Privacy · published 2026-09-16 1 user

Like this one

Listings the catalog judges closest in what they say they do.

  1. iCode Guard Describes nearly the same job, smaller audience 10 users
  2. School Site Blocker Describes nearly the same job, smaller audience 369 users
  3. AuthGuard - AI & Distraction Blocker Describes nearly the same job, smaller audience 4 users (last published figure)
  4. IMTLazarusv3 Describes nearly the same job, with a large installed audience 100k users ★ 1.2
  5. WiFi & Filter Guard v1.0 Describes nearly the same job, smaller audience 2 users (last published figure)

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.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.