# Fact Checker

> Fact check highlighted text using AI

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

## Overview

- **ID:** `fact-checker`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Iacob
- **Category:** feeds-news-blogging,search-tools
- **Daily users:** 12
- **Rating:** 1.00 / 5 (1 ratings)
- **Version:** 1.1
- **Last updated:** 2024-07-26
- **First published:** 2024-07-25
- **Size:** 22 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/fact-checker/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/fact-checker/privacy/](https://addons.mozilla.org/firefox/addon/fact-checker/privacy/)

## Description

Empower your browsing with instant fact-checking using Perplexity's advanced AI technology.

## How It Works

1. **Setup:** 
   - You'll need a Perplexity Pro account.
   - Go to Settings > API > Copy your API key.
   - Open the extension popup and input your API key.

2. **Usage:**
   - Highlight any text on a webpage.
   - Right-click and select "Fact Check with AI" from the context menu.
   - A window will appear with:
     * Truth Percentage
     * Fact Check Summary
     * Contextual Information
     * Source Citations

## Ideal For

- Students verifying research
- Journalists fact-checking sources
- Curious internet users
- Professionals validating industry claims
- Anyone valuing information accuracy

## Privacy and Security

- Only sends highlighted text and current page URL to Perplexity API.
- No personal data collected or stored.
- API key securely stored on your device.

## Technical Details

- Compatible with Firefox browser
- Requires internet connection
- Perplexity API key needed (requires Perplexity Pro subscription)

## Support and Feedback

This is an independent project. Your feedback and suggestions are greatly appreciated and will help improve the extension!

## Disclaimer

While striving for high accuracy, fact-checking results are based on the AI model's current information. Users are encouraged to critically evaluate provided information and sources.

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Enhance your online experience with reliable, AI-powered fact-checking at your fingertips. Stay informed, stay accurate!

## Rankings

- #30,697 — Overall
- #11 — fact
- #123 — checker
- #184 — appreciate

## Permissions and access

### Permissions

- `storage`
- `contextMenus`
- `activeTab`
- `<all_urls>`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- 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).

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