Zero Data Collection | 100% Local Storage | No Tracking
- ❌ NO personal data collection
- ❌ NO analytics or telemetry
- ❌ NO tracking or profiling
- ❌ NO data sent to servers (except database updates)
- ❌ NO third-party integrations
- ❌ NO account required
- ❌ NO cookies or tokens stored
| Data Type | Location | Deletable |
|---|---|---|
| Flag states | browser.storage.local | ✓ |
| User preferences | browser.storage.local | ✓ |
| Change history | browser.storage.local | ✓ |
| Flag database | browser.storage.local | ✓ |
All data stays on YOUR device in Firefox's profile directory.
Auto-Update Checks (Weekly):
- Source: GitHub API
- Data sent: Standard HTTP headers only
- Can be disabled: Settings → Auto-Update
Extension Updates:
- Source: Mozilla Add-ons
- Managed by Firefox
- Standard extension behavior
NO OTHER NETWORK ACTIVITY
storage- Store flag states locally
browserSettings- Modify browser flagsprivacy- Modify privacy flagstabs- Show active flags in DevToolsnotifications- Update notificationsdownloads- Export reports
You can revoke any permission anytime.
✓ GDPR Compliant - No personal data processing ✓ CCPA Compliant - No data sale or sharing ✓ Children Safe - No age restrictions needed ✓ Open Source - Fully auditable code ✓ Reproducible Builds - Verifiable binaries
| Right | How to Exercise |
|---|---|
| View Data | DevTools → Storage → Extension Storage |
| Export Data | Sidebar → Export → Download JSON/CSV |
| Delete Data | Settings → Advanced → Clear All Data |
| Revoke Permissions | Firefox → Add-ons → Permissions |
| Complete Removal | Uninstall extension |
Privacy Questions?
- Email: j.d.a.jewell@open.ac.uk
- GitHub: https://github.com/hyperpolymath/fireflag/issues
- Response: Within 7 days
Full Privacy Policy: https://github.com/hyperpolymath/fireflag/blob/main/PRIVACY.md
FireFlag is designed to respect your privacy.
We believe managing browser flags shouldn't compromise your privacy. That's why:
- Everything stays on your device
- No servers, no databases, no cloud
- No tracking, no analytics, no telemetry
- Open source and verifiable
Your data is YOUR data.
Last Updated: February 4, 2026 | Version 1.0.0