Privacy Policy
Last updated: Oct 2026 · Version 1.0.0
1. Introduction
This Privacy Policy describes how Tab Mosaic (the "Extension"), developed by Ilias El Barhoumi, collects, uses, stores, and protects your information. This policy applies specifically to the Tab Mosaic browser extension and is separate from the ExtensionShop marketplace privacy policy.
We are committed to protecting your privacy. By installing and using Tab Mosaic, you agree to the data practices described in this policy.
2. Information We Collect
Tab Mosaic collects the minimum data necessary to provide its functionality. Below is a complete breakdown of what data is and is not collected.
Data Collected
| Data Type | Description | Required |
|---|---|---|
| Layouts and settings (stored locally) | Saved layouts (screen fractions, group names and colours, and page addresses only if you allowed page titles), your settings, and the state needed to merge a split back are stored in Chrome's extension storage on your device. They are never sent anywhere. | Required |
| Usage counters (stored locally) | How many arrangements worked, on how many days, and your answers to the optional support and rating cards, used only to decide when to show them. They stay on your device. | Required |
Data Not Collected
Tab Mosaic does not collect the following types of information:
- Page contents — Tab Mosaic has no content scripts and never reads pages
- Browsing history, unless you turn on page titles, and even then it stays on your device
- Your Google account, name, email or any personal identifiers
- Analytics, telemetry or crash reports of any kind
- Cookies, passwords or session data
- Data sent to any first-party or third-party server — there is no Tab Mosaic server
3. How We Use Your Information
Collected data is used exclusively for the following purposes:
- Providing and maintaining the core functionality of Tab Mosaic
- Saving your preferences and settings for a personalized experience
- Diagnosing and fixing bugs or technical issues
We do not use your data for advertising, user profiling, or any purpose unrelated to the functionality of Tab Mosaic.
4. Data Storage and Security
Tab Mosaic stores data locally in your browser using the browser's built-in storage APIs (chrome.storage / localStorage). Data remains on your device and is not transmitted to external servers unless explicitly stated.
Data retention: Saved layouts and settings stay in your browser's extension storage until you delete them or remove the extension, which deletes them automatically. The merge-back state is cleared when you merge back or close Chrome. Nothing is retained anywhere else.
5. Third-Party Data Sharing
None. Tab Mosaic makes no network requests and uses no analytics, SDKs or servers. Three links open a normal browser tab only when you act: "Support" opens the developer's Ko-fi page, "Rate it" opens the extension's Chrome Web Store reviews, and uninstalling opens a short optional feedback form on Tally that receives nothing unless you fill it in and submit it.
We do not sell, rent, or trade your personal information to any third party for their marketing or commercial purposes.
6. Browser Permissions
Tab Mosaic requests the following browser permissions. Each permission is required for specific functionality and is used only for its stated purpose:
| Permission | Purpose |
|---|---|
| Tab groups | Reads each tab group's name, colour and collapsed state, moves groups between windows and rebuilds them, so splitting and merging never loses a group. This is the extension's core job. |
| Displays (system.display) | Reads your monitors' positions and usable work areas so windows land exactly on the display you pick, clear of the taskbar, Dock and menu bar. |
| Storage | Saves your named layouts and settings on your device, and keeps the undo state for "merge back" in session memory so it survives a background restart. Also keeps a few local counters used to time an occasional optional support or rating card. |
| Context menus | Adds "Add to mosaic" to the tab right-click menu. |
| Tabs and favicons (optional) | Requested only if you turn on "Show page titles". It shows page titles and icons in the window picker and lets saved layouts reopen pages. Chrome describes it as "Read your browsing history". Everything else works without it, and you can turn it off in settings. |
No permissions are used to collect data beyond what is described in Section 2 of this policy. We follow the principle of least privilege and only request permissions essential for the extension's functionality.
7. Your Rights
You have the following rights regarding your data:
- Access: You can view all data stored by the extension through your browser's extension storage inspector
- Deletion: You can delete all stored data by uninstalling the extension or clearing extension data in your browser settings
- Opt-out: Optional data collection (such as analytics) can be disabled in the extension settings
- Portability: You may export your data where the extension provides export functionality
- Complaint: You have the right to lodge a complaint with a data protection authority if you believe your rights have been violated
For users in the European Economic Area (EEA), you have additional rights under the General Data Protection Regulation (GDPR), including the right to rectification, restriction of processing, and the right to object. To exercise these rights, contact us using the information below.
8. Children's Privacy
Tab Mosaic is not directed at children under the age of 13. We do not knowingly collect personal information from children. If you believe a child has provided us with personal data, please contact us and we will promptly delete it.
9. Changes to This Policy
We may update this Privacy Policy from time to time to reflect changes in the extension's functionality or applicable regulations. When we make changes, we will update the "Last updated" date at the top of this page. For significant changes, we will provide notice through the extension's update notes or a notification within the extension itself.
Your continued use of Tab Mosaic after changes are posted constitutes your acceptance of the updated policy.
10. Contact Us
If you have any questions, concerns, or requests regarding this Privacy Policy or the data practices of Tab Mosaic, please contact us:
Developer: Ilias El Barhoumi
Email: iliasselbarhoumi@gmail.com
Website: https://www.extensionshop.store/extension/tab-mosaic