Data stored locally
- Enabled or disabled protection setting.
- Guard tab bookkeeping in local and session storage.
- Optional supporter license key and unlock status.
- Optional guard tab style settings and local image data.
CUBBY-001 privacy
Keep Window Open privacy
Effective date: July 12, 2026. Support email: support@linkcubby.com.
Data not collected
- Website content, DOM, browsing history, search queries, cookies, passwords, forms, and messages.
- Location, health, financial, authentication tokens, or personal account data.
- Analytics, ads identifiers, or tracking events.
Permissions and network boundary
- Manifest
- MV3
- Version
- 0.1.0
- Permissions
- storage
- Host permissions
- None
- Optional hosts
- None
- Content scripts
- None
- Network
- No network license validation in the extension.
- Analytics
- None
The extension itself does not contain Stripe secrets, Resend keys, private signing keys, remote code, analytics, or network license validation.
If a user chooses the optional supporter purchase, Stripe processes the payment and purchase email address, a separate Cloudflare Worker creates the license, and Resend delivers the license email. These services operate outside the extension package and process only the information needed to complete the purchase and delivery.
Payment and email records are retained by those service providers under their own policies and as needed for transaction records, refunds, fraud prevention, and legal obligations. The extension stores its license key and unlock status only in the user's local browser profile.
Users can remove the locally stored license from the Options page or uninstall the extension. For payment, email, privacy, or deletion questions, contact support@linkcubby.com.