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Google Classroom plagiarism and AI checker

Chrome extension by PlagiarismCheck.org Support · Productivity · Tools

A Chrome extension in Productivity · Tools with 30 000 users, an established extension.

Specific sites only: 3 match patterns.

What the developer says, and 4 screenshots

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

Users
30 000
Rating
4.7 (14 ratings)
Users, last 17 days
+10k
Rating, last 30 days
Not watched long enough to say
Version
3.04
Updated in the store
2026-06-12
Published
2019-11-12
Manifest
V3
Browser access
4 permissions, 3 site patterns

How it has moved

Users
+10k since 01.09
20k-30k · 5 readings
  1. 2026-09-0120k
  2. 2026-09-0530k
  3. 2026-09-0820k
  4. 2026-09-1330k
  5. 2026-09-1730k
Rating
unchanged since 01.09
reviewsrating 4.71 · 5 readings
  1. 2026-09-01reviews14rating4.71
  2. 2026-09-05reviews14rating4.71
  3. 2026-09-08reviews14rating4.71
  4. 2026-09-13reviews14rating4.71
  5. 2026-09-17reviews14rating4.71
Users
+10k since 01.09
20k-30k · 5 readings
  1. 2026-09-0120k
  2. 2026-09-0530k
  3. 2026-09-0820k
  4. 2026-09-1330k
  5. 2026-09-1730k
Rating
unchanged since 01.09
reviewsrating 4.71 · 5 readings
  1. 2026-09-01reviews14rating4.71
  2. 2026-09-05reviews14rating4.71
  3. 2026-09-08reviews14rating4.71
  4. 2026-09-13reviews14rating4.71
  5. 2026-09-17reviews14rating4.71

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

Specific sites only: 3 match patterns.

  • https://plagiarismcheck.org/*
  • https://classroom.google.com/*
  • https://edu.google.com/*
  • 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
Show the remaining 1
  • Store data in your browser storage

The full permission history for this extension

What changed recently

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

The publisher

PlagiarismCheck.org Support publishes 3 listings we track, 42k users between them. Listed website: plagiarismcheck.org.

  1. Trace GPT AI Detector by PlagiarismCheck.org PlagiarismCheck.org Support · Productivity · Tools · published 2023-07-21 6k users ★ 4.3
  2. Integrito — Analyze Text, Check Plagiarism&AI PlagiarismCheck.org Support · Productivity · Tools · published 2023-11-03 6k users ★ 4.8

Like this one

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

  1. Integrito — Analyze Text, Check Plagiarism&AI Describes nearly the same job, smaller audience 6k users ★ 4.8
  2. TrueWrite - Teacher AI Detection & Document Replay Analytics Describes nearly the same job, smaller audience 121 users ★ 5.0
  3. AI Checker for Teachers Describes nearly the same job, smaller audience 1k users ★ 5.0
  4. Passed.ai Extension Describes nearly the same job, smaller audience 1k users ★ 3.0
  5. AHelp: AI Writing, Homework and Research Describes nearly the same job, smaller audience 830 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.

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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.