Free tool · no sign-up
Free habit streak calculator
Tap the days you showed up and instantly see your current streak, your longest streak ever, and your completion rate for the month. It is the simplest way to keep a chain going.
No account, no app to install — just a calendar that remembers, saved in your browser.
Tap a day to mark it done. Streaks and rates update instantly. Saved in your browser.
Why streaks work
A visible streak turns a habit into a game you do not want to lose. Once the chain is a few days long, the small daily cost of continuing feels smaller than the cost of breaking it — which is exactly the momentum most habits need to survive the first few weeks.
Your current streak counts consecutive days up to today, your longest streak is the best run you have ever recorded, and the completion rate shows how consistent you have been this month.
How to use it
Name your habit, then tap each day you completed it. Move between months with the arrows. The stats update the moment you tap. Missing today does not break the streak until the day is over, so there is a small grace window to still show up.
Everything is stored locally in your browser, so your history stays private on your device.
Track streaks alongside your tasks
Habits rarely live in isolation — they attach to real work. Owldo has recurring tasks with streak tracking built in, so the habit and the task that carries it stay in one place across all your devices.
Frequently asked questions
How is the current streak calculated?
It counts consecutive completed days ending today. If you have not marked today yet, it counts up to yesterday so an unfinished day does not break the streak prematurely.
Is the habit tracker free?
Yes. It is free, needs no sign-up, and stores your history in your browser.
Can I track more than one month?
Yes. Use the arrows to move between months; your completed days are remembered across months.
Where is my data stored?
Only in your browser on this device. Nothing is uploaded to a server.
The same idea, built into Owldo
Keep it beside your actual work
This tool lives in your browser. Owldo builds the same focus timer, priority matrix, and planning into a real tasks-and-notes app that works offline and syncs across your devices.
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