---
title: "Polygraf AI Content Detector: Advanced Plagiarism & ChatGPT Detector – Chrome extension stats, history and permissions"
description: "1,000 users, rated 4.38 by 26 people. Version 1.9.7, updated 2026-08-11. Requests 3 permissions."
url: "https://extensiontracker.com/extension/cbngnnhgfljncoliddifmkgklphlojnf"
---

# Polygraf AI Content Detector: Advanced Plagiarism & ChatGPT Detector

Live in the Chrome Web Store.

- Users: 1,000
- Rating: 4.38 from 26 ratings
- Last checked: 2026-09-26 22:53 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #17,733 of 264,703 live extensions
- Rank in Workflow & Planning: #5,162 of 44,474

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> Get Free Polygraf AI content detector with plagiarism checker to identify ChatGPT, Gemini, Mistral, Llama, Grammarly.

- Extension ID: `cbngnnhgfljncoliddifmkgklphlojnf`
- Developer: [Polygraf AI](https://extensiontracker.com/developer/u07c23bf3a309b432cbaa947e100aadb0)
- Category: [Productivity › Workflow & Planning](https://extensiontracker.com/category/productivity/workflow)
- First published: 2024-05-02
- Last updated: 2026-08-11
- Version: `1.9.7`
- Size: 638 KiB
- Minimum Chrome: 88
- Languages (1): English
- Website: `polygraf.ai`
- Support page: `https://polygraf.ai/contact#form`
- Chrome Web Store: <https://chromewebstore.google.com/detail/polygraf-ai-content-detec/cbngnnhgfljncoliddifmkgklphlojnf>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fcbngnnhgfljncoliddifmkgklphlojnf>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-26 | 1,000 | 4.38 | 26 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-26.

## What it can access

From the extension's manifest, in plain language.

**Every website:** it can read and change your data on all the sites you visit.

### Sites where it runs scripts

- `<all_urls>`: Every website
- `http://*/*`: Every website
- `https://*/*`: Every website

### Browser features

- `contextMenus`: Add items to the right-click menu
- `identity`: Sign you in with your Google account
- `storage`: Save settings and data in your browser

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 2026-09-26 22:53 UTC; next check around 2026-09-28.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “Polygraf AI Content Detector: Advanced Plagiarism & ChatGPT Detector” (cbngnnhgfljncoliddifmkgklphlojnf). Chrome Web Store data, last checked 2026-09-26. https://extensiontracker.com/extension/cbngnnhgfljncoliddifmkgklphlojnf. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_cbngnnhgfljncoliddifmkgklphlojnf,
  title   = {Polygraf AI Content Detector: Advanced Plagiarism & ChatGPT Detector (cbngnnhgfljncoliddifmkgklphlojnf)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-26},
  url     = {https://extensiontracker.com/extension/cbngnnhgfljncoliddifmkgklphlojnf},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/cbngnnhgfljncoliddifmkgklphlojnf>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.