Ext Ops Panel
Open the app

OtoPosi

Chrome extension by OtoPosi · Productivity · Tools

A Chrome extension in Productivity · Tools with 17 users, barely installed.

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

What the developer says, and 2 screenshots

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

Users
17
Rating
not rated yet
Users, last 15 days
+4
Version
1.0.5.0
Updated in the store
2026-09-15
Published
2026-08-18
Manifest
V3
Browser access
10 permissions, 2 site patterns

How it has moved

Users
+4 since 01.09
12-17 · 6 readings
2026-09-07: released 1.0.4.02026-09-15: released 1.0.5.0
  1. 2026-09-0113
  2. 2026-09-0314
  3. 2026-09-0712released 1.0.4.0
  4. 2026-09-0813
  5. 2026-09-0916
  6. 2026-09-1517released 1.0.5.0
Users
+4 since 01.09
12-17 · 6 readings
2026-09-07: released 1.0.4.02026-09-15: released 1.0.5.0
  1. 2026-09-0113
  2. 2026-09-0314
  3. 2026-09-0712released 1.0.4.0
  4. 2026-09-0813
  5. 2026-09-0916
  6. 2026-09-1517released 1.0.5.0

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.

  • Talk to an application installed on your computer nativeMessaging
  • Capture the contents of a tab tabCapture
  • Run its own code on the pages it can access scripting
Show the remaining 7
  • Act on the current tab, but only after you click it activeTab
  • Schedule work to run later alarms
  • Add items to the right-click menu contextMenus
  • Run work in a hidden page offscreen
  • Open a panel beside the page sidePanel
  • Store data in your browser storage
  • Read your display setup system.display

The full permission history for this extension

Version history

  1. Version 1.0.5.0
  2. Version 1.0.4.0

What changed recently

  1. Store description rewritten (129 → 124 characters)
  2. Released version 1.0.5.0 (was 1.0.4.0)
  3. Package size changed
Show the remaining 2
  1. Store description rewritten
  2. Released version 1.0.4.0 (was 1.0.3.0)

The publisher

OtoPosi.

Like this one

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

  1. Tab Volume Mixer Describes nearly the same job, smaller audience 1k users ★ 4.8
  2. Viztempo Audio Tabs Describes nearly the same job, smaller audience 2 users
  3. TabTuner Describes nearly the same job, smaller audience 22 users (last published figure)
  4. Tab Volume Mixer Describes nearly the same job, smaller audience 88 users
  5. Tab Volume 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.