

TabStyr
Private browser time tracking — active time per site, trends, heatmap, and focus score. 100% local, zero network requests, open source.
Features
Properties
- Lightweight
- Privacy focused
Features
- No registration required
- Dark Mode
- Task Time Tracking
- Ad-free
- Works Offline
- No Tracking
- Browser extension
TabStyr News & Activities
Recent activities
- latreon added TabStyr
- POX updated TabStyr
latreon added TabStyr as alternative to RescueTime, ActivityWatch, ManicTime and TMetric
TabStyr information
What is TabStyr?
TabStyr is a privacy-first browser extension that shows where your browser time actually goes — without sending a single byte to any server.
It quietly measures active time per tab and site, then presents it as a clean dashboard: day/week/month trends, an activity heatmap, focus scoring, category breakdowns, and gentle stale-tab reminders. Every byte stays in your browser's IndexedDB.
Key features: • Active time per tab and site (idle-aware, audio-aware) • Day, week, and month activity trends • Activity heatmap — which hours you browse most • Focus score (productive ÷ distracting) with daily streak • Auto-categorization (Work, Dev, Social, Media, News, Shopping, Finance) with custom rules • Week-over-week and month-over-month comparisons with per-category deltas • Daily work log — copy as text or export as image/CSV • Stale-tab reminders (once-a-day badge nudge) • Encrypted backups (AES-256-GCM) — export and restore on any device • Browsing Wrapped — shareable year-in-review computed entirely in your browser • 11 languages out of the box
Privacy by design: • Content-security policy blocks all network requests • No servers, no accounts, no analytics, no ads • Only reads URL and title from standard browser APIs • Data auto-prunes after 90 days • MIT licensed, open source
Works on Chrome, Edge, Brave, Opera, Arc, and Firefox. ~130KB gzipped.








