Use the free Mood Tracker below: your data never leaves your browser — all work happens on your device, and nothing is uploaded to any server.
Moods are easy to feel and hard to remember. Ask yourself how last week went and you will probably remember the worst day and forget the rest. A mood tracker fixes that by turning feelings into a small daily record: one rating, one optional note, done in ten seconds. Over weeks, the record shows patterns your memory hides, like low moods on Sundays, better moods after walks, or a slow slide that deserves attention before it becomes a crisis.
This Mood Tracker keeps the record private. There is no account, no social feed, and nothing sent to a server. You pick a mood from very low to great, add a note if you want, and press Log mood. One entry per day keeps the record clean: if you log twice, the tool asks you to delete today’s entry first rather than letting the day count twice. The average mood shown above your entries is a simple mean of your ratings, not a diagnosis or a score of your mental health.
The notes matter as much as the numbers. A rating of two with the note ‘bad sleep, argued with a friend’ tells you far more than the number alone. After a month, read your notes and look for repeats: the same trigger, the same helpful habit, the same day of the week. Patterns like these are useful information to bring to a doctor or counsellor, because they are based on daily records rather than a guess made in a waiting room.
This tool is a personal log only, and it says so plainly: it is not medical advice, and it cannot tell you whether you need help. A low average over a few days is normal; life has bad weeks. But if you feel very low for a long time, if low moods stop you from working or sleeping or enjoying anything, or if you ever feel unsafe, talk to a doctor or a trusted person right away. A tracker can show you the pattern, but only a person can help you change it.
Your entries are saved in your browser when storage is available. If storage is blocked, for example in a private window, entries are kept only while the page stays open. That is why the tool has an Export button: download a backup file regularly, and import it on another device if you switch computers. Since there is no account, a backup file is the only way your record survives a new device, so treat it like the diary it is.
Keep the habit small or it will not survive. Log at the same time each day, perhaps in the evening when the day is done. Rate the day as a whole rather than the moment you happen to be in, and write a note only when something stands out. Ten seconds a day for a month gives you thirty data points, and thirty honest data points are worth more than any single memory of how you have been feeling.
How to track your mood
- Pick today’s mood from very low to great.
- Add a short note about what shaped the day, if anything stands out.
- Press Log mood. One entry per day keeps the record clean.
- Check your average and read back through your notes weekly.
- Export a backup file regularly.
Frequently asked questions
Do I need an account? No. Entries are saved in your browser only.
Why only one entry per day? So each day counts once and the average stays honest.
Is this medical advice? No. It is a personal log only. For ongoing low mood, talk to a doctor.
What if storage is blocked? Entries last only while the page stays open, so export a backup.
Ten seconds a day, one honest rating. Your future self will be glad you kept the record.

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