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Privacy Policy for Chrome Fact Check

Last updated: February 17, 2026

Chrome Fact Check helps users fact-check text selected on web pages. This policy explains what data is processed by the extension and backend service.

1. Data We Process

  • Selected text and selected links from the page when the user starts a fact-check.
  • Page title and optional page URL (URL sharing can be disabled in extension settings).
  • Locale and user preferences (language, strictness, max sources, trusted/blocked domains, provider settings).
  • Optional API key entered by the user in extension settings (stored locally in browser storage).
  • Technical metadata such as timestamps, request status, token usage, and error logs.
  • A random trial identifier (stored locally) when trial mode is used.

2. How We Use Data

  • To send fact-check requests to the configured backend.
  • To retrieve and evaluate sources related to selected claims.
  • To generate and return summaries, verdicts, and detailed reports.
  • To operate security, reliability, abuse prevention, and trial quota controls.

3. Data Sharing

  • We do not sell personal data.
  • Data is shared only with service providers needed to deliver the feature, such as:
    • Hosting and infrastructure provider (Azure App Service)
    • Configured LLM provider (OpenAI, Azure OpenAI, or user-configured compatible provider)
    • Source retrieval services used by the backend

4. Data Storage and Retention

  • Extension settings are stored locally in the user's browser until changed or removed.
  • Request content is processed to generate results; backend logs may be retained for operational and security purposes for a limited time.
  • Users should avoid submitting sensitive personal information for fact-checking.

5. User Controls

  • Fact-checking is user-initiated.
  • Users can disable page URL sharing in settings.
  • Users can remove stored settings and API keys from extension storage at any time.
  • Users can uninstall the extension at any time.

6. Security

  • Production traffic is sent over HTTPS.
  • Access to service data is limited to operation and security needs.

7. Children

This service is not intended for children under 13.

8. Changes to This Policy

We may update this policy from time to time. The latest version will be published at this URL.

9. Contact