TabStyr icon
TabStyr icon

TabStyr

Private browser time tracking — active time per site, trends, heatmap, and focus score. 100% local, zero network requests, open source.

TabStyr overview — private browser time tracking with trends, heatmap, and focus scoring

Cost / License

  • Free
  • Open Source (MIT)

Application type

Platforms

  • Google Chrome
  • Mozilla Firefox
Privacy and export screen: encrypted backups (AES-256-GCM), full data control
Activity heatmap showing which hours of which days you browse most
+1
Toolbar popup: instant glance at today's active time and top sites
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Features

Properties

  1.  Lightweight
  2.  Privacy focused

Features

  1.  No registration required
  2.  Dark Mode
  3.  Task Time Tracking
  4.  Ad-free
  5.  Works Offline
  6.  No Tracking
  7.  Browser extension

 Tags

TabStyr News & Activities

Highlights All activities

Recent activities

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TabStyr information

  • Developed by

    NL flagFarda Karimov

  • Licensing

    Open Source (MIT) and Free product.

  • Written in

  • Alternatives

    7 alternatives listed

  • Badge

    Get an embeddable badge for TabStyr

  • Supported Languages

    • English
    • Turkish
    • German
    • French
    • Spanish
    • Portuguese
    • Italian
    • Japanese
    • Korean
    • Chinese

AlternativeTo Categories

Web Browsers, Office & Productivity

GitHub repository

  •  0 Stars
  •  0 Forks
  •  8 Open Issues
  •   Updated  
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Official Links

AppStores & Other Links

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.

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