Habit Tracker

Track daily habits with a visual streak heatmap. Monitor consistency scores, build momentum, and stay accountable to your goals.

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Technical Audit

This utility is a high-performance node optimized for modern browser environments. All data processing is executed client-side, ensuring zero knowledge transfer to external servers.

7-Day Visual Habit Heatmap
Consistency Score (percentage metric)
Streak Tracking with visual flame indicators
Dynamic Habit Management
High-contrast Dark Mode for night-time review
100% Local-first — data stays in your browser

System FAQ

How do I track habits without an app?

Use this browser-based habit tracker. Add your habits, check them off daily, and see your streak and consistency score update in real-time. No app download, no account needed.

How long does it take to build a habit?

Research by UCL found it takes an average of 66 days to form a new habit (range: 18–254 days). The key is consistency, not perfection — missing one day rarely breaks a streak if you resume immediately.

What is a good habit consistency score?

A consistency score above 80% means you're completing your habits 5-6 days out of 7, which is excellent. 60-80% is good progress. Below 60% suggests reducing the number of active habits.

How many habits should I track at once?

Research suggests starting with 2-3 habits maximum. Tracking too many at once leads to overwhelm. Once habits become automatic (around 66 days), add new ones gradually.

Does my habit data get saved?

Yes, your habit data is saved in your browser's local storage so it persists between sessions. However, it stays on your device — we never send it to any server.