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Chrome extension by MATTRN Studio · Productivity · Tools

A Chrome extension in Productivity · Tools with 3 users, barely installed. Audience over the last 30 days: +1.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 3 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
3
Rating
not rated yet
Users, last 30 days
+1
Version
1.2
Updated in the store
2026-05-22
Published
2026-05-22
Manifest
V3
Browser access
7 permissions, 1 site pattern

How it has moved

Users
+1 since 02.10
2-4 · 10 readings
  1. 2026-10-043
  2. 2026-10-094
  3. 2026-10-103
  4. 2026-10-184
  5. 2026-10-193
  6. 2026-10-214
  7. 2026-10-223
  8. 2026-10-244
  9. 2026-10-253
  10. 2026-11-013
Users
unchanged since 31.08
2-4 · 22 readings
  1. 2026-08-313
  2. 2026-09-024
  3. 2026-09-043
  4. 2026-09-054
  5. 2026-09-063
  6. 2026-09-094
  7. 2026-09-103
  8. 2026-09-154
  9. 2026-09-163
  10. 2026-09-204
  11. 2026-09-223
  12. 2026-09-282
  13. 2026-10-043
  14. 2026-10-094
  15. 2026-10-103
  16. 2026-10-184
  17. 2026-10-193
  18. 2026-10-214
  19. 2026-10-223
  20. 2026-10-244
  21. 2026-10-253
  22. 2026-11-013

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.

  • See the address and title of every tab you have open tabs
  • Manage your downloads downloads
  • Run its own code on the pages it can access scripting
Show the remaining 4
  • Act on the current tab, but only after you click it activeTab
  • Store data in your browser storage
  • Store data in your browser without the usual size limit unlimitedStorage
  • Declares windows

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

MATTRN Studio publishes 3 listings we track, 10 users between them.

  1. MATTRN Paint Studio MATTRN Studio · Productivity · Workflow · published 2026-05-14 4 users
  2. MATTRN Cleaner MATTRN Studio · Productivity · Tools · published 2026-05-25 3 users

Like this one

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

  1. Full Page Screenshot, Screen Capture & Recorder – SnapScreen Describes nearly the same job, smaller audience 92 users ★ 5.0
  2. Web Capture Describes nearly the same job, smaller audience 79 users ★ 5.0
  3. Mantescreen Describes nearly the same job, smaller audience 63 users
  4. BJ-SnapMark - Screenshot & Web Annotation Tool Describes nearly the same job, smaller audience 5 users (last published figure)
  5. MM Screenshot Describes nearly the same job, smaller audience 8 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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Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/gcfedbchchkhcpfdkkbhbneckkhdjefb/badge.svg)](https://extops.dev/extensions/gcfedbchchkhcpfdkkbhbneckkhdjefb)

HTML

<a href="https://extops.dev/extensions/gcfedbchchkhcpfdkkbhbneckkhdjefb"><img src="https://extops.dev/extensions/gcfedbchchkhcpfdkkbhbneckkhdjefb/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 2026-10-25. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built