Ext Ops Panel
Open dashboard

GPTZero: AI Detection & Writing Replay

Chrome extension by chrome-extension-publisher · Productivity · Education

  • Featured
  • Established publisher
  • Trader

A Chrome extension in Productivity · Education with 500 000 users, a widely installed extension. Audience over the last 30 days: unchanged.

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

What the developer says, and 5 screenshots

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

Users
500 000
Rating
4.6 (750 ratings)
Users, last 30 days
Unchanged (the store rounds this count to 100 000, so it moves only between steps)
Rating, last 30 days
-0.10 in 30 days
Version
2026.10.9
Updated in the store
2026-10-29
Published
2023-05-03
Manifest
V3
Browser access
6 permissions, 11 site patterns

How it has moved

Users
unchanged since 02.10
500k · 13 readings
2026-10-03: released 2026.10.12026-10-14: released 2026.10.32026-10-15: released 2026.10.42026-10-23: released 2026.10.52026-10-27: released 2026.10.62026-10-29: released 2026.10.82026-10-30: released 2026.10.9
  1. 2026-10-04500k
  2. 2026-10-08500k
  3. 2026-10-09500k
  4. 2026-10-14500kreleased 2026.10.3
  5. 2026-10-16500k
  6. 2026-10-17500k
  7. 2026-10-18500k
  8. 2026-10-22500k
  9. 2026-10-23500kreleased 2026.10.5
  10. 2026-10-24500k
  11. 2026-10-28500k
  12. 2026-10-29500kreleased 2026.10.8
  13. 2026-11-01500k
Rating
-0.10 since 02.10
reviewsrating 4.59-4.69 · 13 readings
2026-10-03: released 2026.10.12026-10-14: released 2026.10.32026-10-15: released 2026.10.42026-10-23: released 2026.10.52026-10-27: released 2026.10.62026-10-29: released 2026.10.82026-10-30: released 2026.10.9
  1. 2026-10-04reviews734rating4.68
  2. 2026-10-08reviews735rating4.69
  3. 2026-10-09reviews737rating4.69
  4. 2026-10-14reviews737rating4.65released 2026.10.3
  5. 2026-10-16reviews741rating4.64
  6. 2026-10-17reviews742rating4.64
  7. 2026-10-18reviews744rating4.64
  8. 2026-10-22reviews745rating4.64
  9. 2026-10-23reviews746rating4.59released 2026.10.5
  10. 2026-10-24reviews747rating4.59
  11. 2026-10-28reviews748rating4.59
  12. 2026-10-29reviews749rating4.59released 2026.10.8
  13. 2026-11-01reviews750rating4.59
Users
+100k since 01.09
400k-500k · 21 readings
2026-09-03: released 2026.8.32026-09-15: released 2026.9.02026-09-19: released 2026.9.12026-09-23: released 2026.10.02026-10-03: released 2026.10.12026-10-14: released 2026.10.32026-10-15: released 2026.10.42026-10-23: released 2026.10.52026-10-27: released 2026.10.62026-10-29: released 2026.10.82026-10-30: released 2026.10.9
  1. 2026-09-01400k
  2. 2026-09-07400k
  3. 2026-09-09400k
  4. 2026-09-10400k
  5. 2026-09-13400k
  6. 2026-09-15500kreleased 2026.9.0
  7. 2026-09-17500k
  8. 2026-09-25500k
  9. 2026-10-04500k
  10. 2026-10-08500k
  11. 2026-10-09500k
  12. 2026-10-14500kreleased 2026.10.3
  13. 2026-10-16500k
  14. 2026-10-17500k
  15. 2026-10-18500k
  16. 2026-10-22500k
  17. 2026-10-23500kreleased 2026.10.5
  18. 2026-10-24500k
  19. 2026-10-28500k
  20. 2026-10-29500kreleased 2026.10.8
  21. 2026-11-01500k
Rating
-0.11 since 01.09
reviewsrating 4.59-4.69 · 21 readings
2026-09-03: released 2026.8.32026-09-15: released 2026.9.02026-09-19: released 2026.9.12026-09-23: released 2026.10.02026-10-03: released 2026.10.12026-10-14: released 2026.10.32026-10-15: released 2026.10.42026-10-23: released 2026.10.52026-10-27: released 2026.10.62026-10-29: released 2026.10.82026-10-30: released 2026.10.9
  1. 2026-09-01reviews723rating4.69
  2. 2026-09-07reviews724rating4.69
  3. 2026-09-09reviews725rating4.69
  4. 2026-09-10reviews726rating4.69
  5. 2026-09-13reviews727rating4.69
  6. 2026-09-15reviews727rating4.69released 2026.9.0
  7. 2026-09-17reviews728rating4.69
  8. 2026-09-25reviews731rating4.69
  9. 2026-10-04reviews734rating4.68
  10. 2026-10-08reviews735rating4.69
  11. 2026-10-09reviews737rating4.69
  12. 2026-10-14reviews737rating4.65released 2026.10.3
  13. 2026-10-16reviews741rating4.64
  14. 2026-10-17reviews742rating4.64
  15. 2026-10-18reviews744rating4.64
  16. 2026-10-22reviews745rating4.64
  17. 2026-10-23reviews746rating4.59released 2026.10.5
  18. 2026-10-24reviews747rating4.59
  19. 2026-10-28reviews748rating4.59
  20. 2026-10-29reviews749rating4.59released 2026.10.8
  21. 2026-11-01reviews750rating4.59

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.

  • Read and change cookies on the sites it can access cookies
  • See the address and title of every tab you have open tabs
  • Run its own code on the pages it can access scripting
Show the remaining 3

The full permission history for this extension

Version history

  1. Version 2026.10.9
  2. Version 2026.10.8
  3. Version 2026.10.6 · Changed where it works (changed: sites that can connect to it)
Show the remaining 5
  1. Version 2026.10.5
  2. Version 2026.10.4
  3. Version 2026.10.3 · Asked for more permissions (17, was 15) (changed: site access)
  4. Version 2026.10.1
  5. Version 2026.10.0

What changed recently

  1. Package size changed
  2. Released version 2026.10.9 (was 2026.10.8)
  3. Package size changed
Show the remaining 9
  1. Released version 2026.10.8 (was 2026.10.6)
  2. Package size changed
  3. Changed where it works (changed: sites that can connect to it)
  4. Released version 2026.10.6 (was 2026.10.5)
  5. Package size changed
  6. Released version 2026.10.5 (was 2026.10.4)
  7. Released version 2026.10.4 (was 2026.10.3)
  8. Package size changed
  9. Asked for more permissions (17, was 15) (changed: site access)

Older entries and the full day by day series are in the app.

The publisher

chrome-extension-publisher. Listed website: gptzero.me.

Like this one

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

  1. TrueWrite - Teacher AI Detection & Document Replay Analytics Describes nearly the same job, smaller audience 127 users ★ 5.0
  2. Passed.ai Extension Describes nearly the same job, smaller audience 1k users ★ 3.0
  3. Ghost Writer Technologies Describes nearly the same job, smaller audience 109 users ★ 5.0
  4. WriteCheck — Writing Insights for Google Docs Describes nearly the same job, smaller audience 64 users ★ 5.0
  5. Authent Describes nearly the same job, smaller audience 86 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.

Want this mark on your extension in our catalog?

Verify that you are its author and you can show this mark on the card, with live banners for your site and README. How verification works

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

Connect it in a minute See what the panel does
Add a badge to your README or site

The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

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

HTML

<a href="https://extops.dev/extensions/kgobeoibakoahbfnlficpmibdbkdchap"><img src="https://extops.dev/extensions/kgobeoibakoahbfnlficpmibdbkdchap/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 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built