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Seymour

Chrome extension by Sage AI · Productivity · Communication

A Chrome extension in Productivity · Communication with 4 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 3 screenshots

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

Users
4
Rating
not rated yet
Users, last 15 days
+1
Version
1.8.6
Updated in the store
2025-09-07
Published
2025-05-15
Manifest
V3
Browser access
11 permissions, 4 site patterns

How it has moved

Users
+1 since 01.09
0-4 · 8 readings
  1. 2026-09-013
  2. 2026-09-034
  3. 2026-09-043
  4. 2026-09-063
  5. 2026-09-084
  6. 2026-09-103
  7. 2026-09-130
  8. 2026-09-154
Users
+1 since 01.09
0-4 · 8 readings
  1. 2026-09-013
  2. 2026-09-034
  3. 2026-09-043
  4. 2026-09-063
  5. 2026-09-084
  6. 2026-09-103
  7. 2026-09-130
  8. 2026-09-154

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 and change cookies on the sites it can access cookies
  • Change which proxy your browser connects through proxy
  • See the address and title of every tab you have open tabs
Show the remaining 8
  • Watch the network requests your browser makes webRequest
  • Block or alter network requests before they are sent webRequestBlocking
  • Run its own code on the pages it can access scripting
  • See when you navigate between pages webNavigation
  • Schedule work to run later alarms
  • Tell whether you are away from the computer idle
  • Store data in your browser storage
  • Declares webRequestAuthProvider

The full permission history for this extension

What changed recently

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

The publisher

Sage AI publishes 2 listings we track, 14 users between them.

  1. Tombot X Sage AI · Productivity · Communication · published 2025-06-01 10 users

Like this one

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

  1. Tombot X Describes nearly the same job, smaller audience 10 users
  2. Ryze Browser Helper Describes nearly the same job, smaller audience 3 users (last published figure)
  3. Dainin Describes nearly the same job, smaller audience 27 users ★ 5.0
  4. Zeld Extension Describes nearly the same job, smaller audience 15 users ★ 5.0
  5. sie-sumbios-extension Describes nearly the same job, smaller audience 39 users ★ 5.0

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.