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Preview of FireFlag

FireFlag by hyperpolymath

Manage Firefox and Gecko browser flags safely - experiment with about:config and experimental features with confidence

Experimental
Available on Firefox for Android™
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1 User
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About this extension
rivacy Policy Field

If they have a character limit, use this short version:

FireFlag collects ZERO personal data.

DATA COLLECTION: None. No personal information, browsing history, analytics, telemetry, or tracking.

DATA STORAGE: All flag data is stored locally on your device using browser.storage.local. Never transmitted to servers. Never shared with third parties. Deleted when you uninstall.

NETWORK ACTIVITY: None. Zero network requests. Works completely offline.

PERMISSIONS:
• storage - Store flag data locally
• browserSettings (optional) - View browser flags
• privacy (optional) - Access privacy settings
• tabs (optional) - DevTools integration
• notifications (optional) - Safety alerts
• downloads (optional) - Export data

THIRD-PARTY SERVICES: None. No analytics, error tracking, or external services.

OPEN SOURCE: github.com/hyperpolymath/fireflag

Full policy: https://github.com/hyperpolymath/fireflag/blob/main/PRIVACY_POLICY.md

Contact: jonathan.jewell@open.ac.uk
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Permissions and data

Required permissions:

  • Extend developer tools to access your data in open tabs

Optional permissions:

  • Read and modify browser settings
  • Download files and read and modify the browser’s download history
  • Display notifications to you
  • Read and modify privacy settings
  • Access browser tabs

Data collection:

  • The developer says this extension doesn't require data collection.
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More information
Version
0.1.0
Size
130.88 KB
Last updated
5 months ago (Feb 4, 2026)
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