TabStyr by latreon
Private browsing-time insights — active time per site, trends, heatmaps, focus, and stale-tab nudges. All local.
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About this extension
TabStyr shows how you actually use your browser — privately. It tracks active time per tab and site, surfaces trends and an hourly heatmap, breaks time down by category and focus, and nudges you about stale tabs. Every byte stays on your device — nothing is ever uploaded.
Features
- Active time per site and per tab (not just "tab was open")
- Daily/weekly trends and an hourly activity heatmap
- Category and focus breakdowns
- Gentle stale-tab nudges to close what you forgot
- Encrypted local backup & restore (AES-GCM, passphrase-based)
Privacy
- 100% local. No servers, no accounts, no tracking.
- The extension makes zero network requests.
- Your data never leaves your device.
Features
- Active time per site and per tab (not just "tab was open")
- Daily/weekly trends and an hourly activity heatmap
- Category and focus breakdowns
- Gentle stale-tab nudges to close what you forgot
- Encrypted local backup & restore (AES-GCM, passphrase-based)
Privacy
- 100% local. No servers, no accounts, no tracking.
- The extension makes zero network requests.
- Your data never leaves your device.
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Permissions and data
Required permissions:
- Display notifications to you
- Access browser tabs
- Access browser activity during navigation
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.7.2
- Size
- 338.54 KB
- Last updated
- 3 days ago (Jun 25, 2026)
- Related Categories
- License
- MIT License
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
- Add to collection