Tabberwocky Privacy Policy
The Tabberwocky Tab Defenestrator Chrome extension is designed to use metadata about your open tabs to help you reduce and organize them.
All your data stays on your device. The extension doesn't read page content or track browsing. No analytics, no remote servers, no information about users or user behavior shared or sold.
All your data stays on your device. The extension doesn't read page content or track browsing. No analytics, no remote servers, no information about users or user behavior shared or sold.
Data Used
- URLs and titles of your open tabs (never the full page content)
- Tab metadata (position, time last accessed, state, group membership)
- Window information (used to group and merge tabs)
- Website favicons (used for visual display in the side panel)
- Why:
- For tab management and organization features including closing, sorting, grouping, and merging tabs
- Where:
- Tab information is temporary in-memory; extension data is stored locally on your device
- How long:
- Tab data is cleared when tabs close. No browsing history stored.
- Sharing:
- None. No data leaves your device.
What Tabberwocky Doesn't Do
- Read page content or information submitted to sites
- Access Incognito tabs, or browsing history for tabs no longer open
- Contain any code to transmit data externally
- Require host permissions or run on web pages
- Use analytics, tracking, or external services
To learn more about the Tabberwocky features and functionality, please see the walkthrough.
Permissions Details
| Permission | Data Accessed | How it's Harnessed |
|---|---|---|
tabs |
Accessed only while tabs are open: • tab.id - Chrome's internal identifier• tab.url - Current URL• tab.title - Page title• tab.favIconUrl - Favicon URL• tab.lastAccessed - Last accessed timestamp• tab.windowId - Window ID and position• tab.active - Active/inactive status• tab.index - Position within window |
• Organize tabs by domain • Find and close duplicates • Merge tabs between windows • Display tab information in UI |
tabGroups |
• Tab group IDs and metadata • Group titles, colors, collapsed state |
• Preserve tab group organization during window merge operations • Preserve tab group integrity when ungrouped tabs are sorted |
favicon |
• Website favicon image URLs • Favicon image data |
• Display website icons in domain grid • Create favicon proxy for chrome:// pages |
storage |
• Tab state data via chrome.storage.local• Temporary tab organization data |
• Sync real-time tab changes to UI • Store temporary tab organization data • Enable live interface updates |
sidePanel |
• UI display permission only | • Display the side panel • Provide tab management controls |
contextMenus |
• No data accessed • Right-click menu creation only |
• Add "About" option for right clicking on the extension favicon in Chrome toolbar. This points to the Tabberwocky walkthrough. |
Policy Changes
tabGroups permission. This is needed to preserve tab group integrity during tab sorting and windows merge operations.