Countdown Timer
A countdown timer that alerts you when time is up. Use quick preset buttons (1m, 3m, 5m, etc.) for one-click start, or save your own custom presets for frequently used times. Extend time on the fly with +1m/+5m buttons for flexible time management.
Timer Features
⏱️ Quick Presets
One-click start with 1m, 3m, 5m, 10m, 15m, 30m, and 1h preset buttons. No manual input needed.
💾 Save Custom Presets
Name and save your frequently used times (up to 10). Load them instantly with a single click next time.
🔗 URL Sharing
Copy your timer settings as a URL to share with others. Recipients can open the link and the same time is instantly set.
⏳ +1m / +5m Extend
Need more time? Extend the running timer instantly with +1 minute or +5 minute buttons.
How to Use the Timer
Step 1 - Set Time: Click the hour/min/sec fields and enter your desired time, or tap a preset button like 1m, 3m, or 5m.
Step 2 - Start: Press the ▶ Start button to begin the countdown. You can also press the Space bar on your keyboard.
Step 3 - Pause & Extend: Pause with the Stop button, or tap +1m/+5m to add more time while running.
Step 4 - Alarm: When time is up, your chosen alarm sound plays and a popup appears. Tap OK to set a new timer.
Use Cases
🍜 Cooking Noodles
Set 3 minutes for ramen, 4 minutes for cup noodles, or 2 minutes for instant rice.
🍳 Cooking & Baking
Track oven preheating, dough rising, pasta boiling, and other cooking steps.
📚 Study & Focus
Set a goal like '30 minutes of study' to boost your concentration.
☕ Brewing Tea & Coffee
Green tea 2m, black tea 3m, pour-over coffee 4m — time your beverages precisely.
FAQ
How do I save a custom preset?
Enter your desired time in the hour/min/sec fields, type a name in the input below, and click 'Save'. Your saved preset will appear in the preset list and can be loaded with one click.
What is the chain timer?
The chain timer lets you add multiple steps with custom names and durations. Press Start once and they run in sequence automatically — when one step ends, the next begins. Great for complex routines.
Can I extend time while the timer is running?
Yes! During countdown, +1 minute and +5 minute buttons appear. Click them to instantly add time to the remaining countdown.
I can't hear the alarm sound
Check your browser's volume settings. Some browsers restrict audio before user interaction. The alarm will work normally after you click the Start button.
Privacy Notice
Timer settings and records are processed only in your browser and are not transmitted to any server. Pomodoro session records and alarm settings are stored only in the browser's local storage, so there is no risk of your personal data being leaked.