# CaptainFact (Beta)

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

Canonical page: [https://chrome-stats.com/d/captainfact](https://chrome-stats.com/d/captainfact)

## Overview

- **ID:** `captainfact`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** CaptainFact
- **Category:** feeds-news-blogging
- **Daily users:** 702
- **Weekly downloads:** 2
- **Rating:** 4.61 / 5 (18 ratings)
- **Version:** 1.0.0
- **Last updated:** 2020-04-21
- **First published:** 2017-11-21
- **Size:** 794 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/captainfact/)
- **Website:** [http://captainfact.io/help/](http://captainfact.io/help/)

## Description

CaptainFact (Beta) is a free and open-source Chrome extension designed to enhance information verification on the internet. It empowers users to collaboratively debate and verify data in real-time by sourcing claims, voting on their accuracy, and chatting about facts. With misinformation spreading rapidly, CaptainFact offers a community-driven approach to ensure the reliability of information encountered online.

Published under the GPL3 license and available on GitHub, CaptainFact promotes transparency and collective intelligence. Its intuitive interface facilitates meaningful discussions and fact-checking processes, making it an essential tool for users seeking trustworthy content verification.

## Rankings

- #4,066 — Overall
- #223 — Feeds, News & Blogging
- #24 — fact
- #33 — beta

## Permissions and access

### Permissions

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

### Content script matches

- `captainfact.io`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Review summary

CaptainFact (Beta) is praised as a valuable, effective, and user-friendly fact-checking Firefox add-on that promotes truth and education. Users appreciate its role in distinguishing truth from falsehood and encourage contributions to enhance it further. However, multiple users express ethical concerns and distrust regarding the add-on's association with major tech companies like GAFAM, which they view negatively and urge the team to reconsider to maintain ethical integrity.

### Pros

- Effective and indispensable tool for fact-checking.
- User-friendly and well-functioning extension.
- Appreciated by the community for promoting truth and ethics.
- Encourages user contribution to improve the tool.
- Seen as a valuable educational platform.

### Cons

- Concerns about ethical implications related to the use of services from major tech companies (GAFAM) associated with the add-on's site.
- Distrust towards the team due to their association with large tech companies.

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Source: [Chrome-Stats](https://chrome-stats.com/d/captainfact)