Track your daily hydration and drink the ideal amount of water.
1. Set your daily water intake goal in milliliters (ml).
2. Configure the size of your standard glass in ml.
3. Click Drink a glass whenever you drink water — the progress updates automatically.
4. Follow the visual progress and the daily glass history.
The Water Tracker works 100% in your browser. Data is saved in your device's local storage (localStorage), so your history persists between sessions without requiring sign-up. Nothing is sent to servers — your data never leaves your device.
The general recommendation is 2000 to 2500 ml per day for adults, but it can vary depending on weight, physical activity and weather. Consult a health professional for a personalised recommendation.
Yes. Data is saved in your browser's local storage. It persists between sessions but is not synced across devices.
Yes. You can adjust the daily goal and glass size at any time. Changes are applied immediately.
No. All processing and storage happen in your browser. Your data never leaves your device.