Ext Ops Panel
Open the app

Dex

Chrome extension by ThirdLayer · Productivity · Tools

A Chrome extension in Productivity · Tools with 2 000 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 4 screenshots

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

Users
2 000
Rating
4.2 (36 ratings)
Users, last 14 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
3.73
Updated in the store
2026-09-09
Published
2025-04-28
Manifest
V3
Browser access
18 permissions, 1 site pattern

How it has moved

Users
unchanged since 01.09
2k · 2 readings
2026-09-09: released 3.73
  1. 2026-09-012k
  2. 2026-09-142k
Rating
unchanged since 01.09
reviewsrating 4.22 · 2 readings
2026-09-09: released 3.73
  1. 2026-09-01reviews36rating4.22
  2. 2026-09-14reviews36rating4.22
Users
unchanged since 01.09
2k · 2 readings
2026-09-09: released 3.73
  1. 2026-09-012k
  2. 2026-09-142k
Rating
unchanged since 01.09
reviewsrating 4.22 · 2 readings
2026-09-09: released 3.73
  1. 2026-09-01reviews36rating4.22
  2. 2026-09-14reviews36rating4.22

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.

  • Read what you have copied clipboardRead
  • Attach to pages the way developer tools do debugger
  • Read and change your browsing history history
Show the remaining 15
  • Talk to an application installed on your computer nativeMessaging
  • See the address and title of every tab you have open tabs
  • Block or redirect requests on the sites it can access declarativeNetRequestWithHostAccess
  • Manage your downloads downloads
  • Run its own code on the pages it can access scripting
  • See when you navigate between pages webNavigation
  • Act on the current tab, but only after you click it activeTab
  • Schedule work to run later alarms
  • Put data on your clipboard clipboardWrite
  • Show you notifications notifications
  • Open a panel beside the page sidePanel
  • Store data in your browser storage
  • Read your display setup system.display
  • Organise your tabs into groups tabGroups
  • Store data in your browser without the usual size limit unlimitedStorage

The full permission history for this extension

Version history

  1. Version 3.73

What changed recently

  1. Package size changed
  2. Released version 3.73 (was 3.71)

The publisher

ThirdLayer. Listed website: joindex.com.

Like this one

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

  1. Cleo IA for Browser Describes nearly the same job, smaller audience 7 users
  2. Kortyx Companion Describes nearly the same job, smaller audience 9 users
  3. Actions Describes nearly the same job, smaller audience 4 users
  4. Cleyo Describes nearly the same job, smaller audience 18 users
  5. Delos Worker Describes nearly the same job, smaller audience 4 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.

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.