---
title: "CaptainFact – Chrome extension stats, history and permissions"
description: "3,000 users, rated 4.90 by 10 people. Version 2.0.0, updated 2023-04-19. Requests 4 permissions."
url: "https://extensiontracker.com/extension/fnnhlmbnlbgomamcolcpgncflofhjckm"
---

# CaptainFact

Live in the Chrome Web Store.

- Users: 3,000
- Rating: 4.90 from 10 ratings
- Last checked: 2026-09-27 01:22 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #12,549 of 264,703 live extensions
- Rank in News & Weather: #59 of 1,597

## The listing

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

Summary from the listing:

> Collaborative, real-time fact checking. Free and open source.

- Extension ID: `fnnhlmbnlbgomamcolcpgncflofhjckm`
- Developer: [CaptainFact](https://extensiontracker.com/developer/ue00983557a03237623ffd9dc99483981)
- Trader status: Declared a trader under EU law
- Category: [Lifestyle › News & Weather](https://extensiontracker.com/category/lifestyle/news)
- First published: 2017-09-05
- Last updated: 2023-04-19
- Version: `2.0.0`
- Size: 1.34 MiB
- Minimum Chrome: 88
- Languages (2): English, français
- Website: `captainfact.io`
- Support page: `https://captainfact.io/help/extension`
- Chrome Web Store: <https://chromewebstore.google.com/detail/captainfact/fnnhlmbnlbgomamcolcpgncflofhjckm>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Ffnnhlmbnlbgomamcolcpgncflofhjckm>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 3,000 | 4.90 | 10 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-27.

## What it can access

From the extension's manifest, in plain language.

### Sites

- `*://*.captainfact.io/*/*`: captainfact.io and its subdomains
- `*://m.youtube.com/*`: m.youtube.com
- `*://www.youtube.com/*`: www.youtube.com

### Sites where it runs scripts

- `https://captainfact.io/*`: captainfact.io
- `https://m.youtube.com/*`: m.youtube.com
- `https://www.youtube.com/*`: www.youtube.com

### Browser features

- `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 2026-09-27 01:22 UTC; next check around 2026-09-28.

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

## Cite this page

Extension Tracker. “CaptainFact” (fnnhlmbnlbgomamcolcpgncflofhjckm). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/fnnhlmbnlbgomamcolcpgncflofhjckm. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_fnnhlmbnlbgomamcolcpgncflofhjckm,
  title   = {CaptainFact (fnnhlmbnlbgomamcolcpgncflofhjckm)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/fnnhlmbnlbgomamcolcpgncflofhjckm},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/fnnhlmbnlbgomamcolcpgncflofhjckm>. 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`.