Online Timer

This online timer counts down from a duration you choose (hours, minutes, and seconds). It’s designed for focus sessions, cooking, timed workouts, and any task where you want a big countdown plus a sound alert when time is up.

If you want to count down to a specific date instead of a duration, use the online countdown timer.

1. Enter hours, minutes, and seconds (or pick a common preset).
2. Optionally choose an alarm sound and add a timer name (for example, “Coffee break”).
3. Click Start to begin the countdown.

While the timer is running, you can pause and continue, restart from the original duration, or stop and return to the setup screen. The display also shows the expected finish time based on your browser clock.

Timer history can be saved in your browser so you can export a CSV of recent runs when you need a quick record of what you timed.

Use settings to tailor the timer for your environment:

• Enable dark mode and reduce distractions on-screen.
• Turn repeat alarm sound on/off.
• Show or hide the finish time and progress indicator.
• Adjust volume and pick a preferred alarm sound.

A large countdown timer is especially useful for:

• Classroom activities, stations, and quick quizzes
• Time boxing and deep work sessions
• Cooking and kitchen reminders
• Study sessions and practice exams

It’s like an alarm clock, but for timed intervals.

If you use online timer often, bookmark this page or pin it as a shortcut so it’s always one tap away. For the best experience, keep the tab open and interact with the controls once so your browser allows audio alerts, permission prompts, or full-screen mode when needed.

For presentations, classrooms, or a second monitor, try full-screen mode. It centers the tool and removes distractions, and the zoom buttons let you fit the display to your viewing distance.

Browsers can throttle timers in background tabs to save battery. These tools keep accurate time by calculating against a stable clock, so even if the UI updates less frequently, the underlying time stays correct when you return.

Many pages are preset links. Sharing the URL is the fastest way to open the same configuration on another device, whether that’s a timer duration, a specific alarm time, or a countdown to an event year.

Your preferences (like theme and alarm sound) are stored locally in your browser. There’s no login required, and nothing needs to be uploaded for the tools to work.