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Countdown Timer

Free Online Custom Countdown with Alarm Sound

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Set Your Countdown

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⏰ Time Calculator

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Free Online Countdown Timer

Need a countdown timer? Our free online countdown timer lets you set any duration from seconds to hours. Simply enter your desired time, click Start, and watch the countdown. When it reaches zero, you'll hear an alarm. No downloads, no sign-ups - just a clean, powerful countdown timer that works on any device.

How to Use the Countdown Timer

Using our countdown timer is simple: Enter the hours, minutes, and seconds you want to count down from, or click one of the quick preset buttons. Press Start to begin the countdown. You can pause at any time and resume later, or reset to start over.

Popular Uses for Countdown Timers

Countdown Timer Features

Countdown vs Stopwatch

A countdown timer starts at a set time and counts down to zero - perfect when you know exactly how long you need. A stopwatch starts at zero and counts up - ideal for measuring how long something takes. Use our stopwatch if you need to time an activity without a set duration.

Event Countdown Timer

An event countdown timer builds excitement and anticipation for special occasions. Whether you're counting down to a wedding, birthday party, product launch, or vacation, seeing the time tick away creates emotional engagement. Use our countdown timer on the day of your event to track the final hours and minutes before the big moment. For longer countdowns (days or weeks), consider creating multiple timers for milestones leading up to the event.

Countdown Timer for Presentations

Public speakers and presenters rely on countdown timers to stay on schedule. Whether you have a 15-minute TED-style talk or a 5-minute pitch, knowing exactly how much time remains prevents awkward overtime or rushing through your conclusion. Set up a countdown timer on a second screen or phone where only you can see it, or use fullscreen mode to display it for the entire audience during timed activities. Our timer shows both analog and digital displays for quick glances.

Classroom Timer and Teaching Tool

Teachers and educators use classroom countdown timers for timed tests, activity transitions, and keeping students on task. Visual timers help students understand time management - especially beneficial for younger learners and students with ADHD. Display our fullscreen countdown timer on your classroom projector for:

Exam and Test Timer

Students preparing for standardized tests (SAT, ACT, GRE, LSAT, MCAT) need to practice under timed conditions. Our countdown timer helps simulate real exam pressure:

Regular timed practice builds stamina and improves pacing. Use our study timer for untimed review sessions between practice tests.

Game Timer and Escape Room Countdown

Add excitement to board games, party games, and escape rooms with a countdown timer. Many games require timed rounds - Pictionary, charades, Taboo, and trivia games all benefit from precise timing. For escape room enthusiasts hosting at-home games, set a 60-minute countdown displayed prominently to create authentic pressure. Our fullscreen mode and loud alarm make it perfect for group activities where everyone needs to see (and hear) the time.

Countdown Timer for YouTube and Streaming

Content creators and streamers use countdown timers for "going live" screens, giveaway deadlines, and segment transitions. Display a countdown before your stream starts to let viewers know when you'll be live. During streams, use timers for Q&A segments, polls, and special events. Our clean design works well for overlays and the analog clock face adds visual interest to your broadcast.

Fitness and HIIT Countdown Timer

The countdown timer is essential for interval training. Set your work period, hit start, and focus on your exercise without watching the clock. When you need multiple intervals, reset and repeat. For comprehensive interval training with automatic work/rest cycles, check out our dedicated workout timer. Common fitness countdown settings:

Countdown Timer for Deadlines

Project managers and freelancers use deadline countdown timers to maintain urgency on time-sensitive work. When you can see exactly how much time remains until a deadline, procrastination decreases and focus increases. Set a countdown for your submission deadline and work with intention. The psychological effect of watching time decrease motivates action better than a static deadline date.

Holiday Countdown Timer

Holiday countdowns build anticipation for special days throughout the year:

Set our countdown timer to your local event time and let the anticipation build. The alarm ensures you don't miss the moment.

Meeting and Conference Timer

Keep meetings on track with a visible countdown timer. Research shows meetings expand to fill allocated time - a timer creates accountability. Display the countdown during:

Share your screen with the countdown timer in remote meetings, or display it on a conference room monitor for in-person gatherings.

Cooking and Kitchen Countdown Timer

Precision timing is crucial in the kitchen. While we offer a dedicated cooking timer and egg timer for common recipes, our countdown timer allows custom durations for any dish. Set multiple browser tabs with different countdowns to track pasta, sauce, and bread simultaneously. The loud alarm ensures you hear it even when you're in another room.

Meditation and Mindfulness Countdown

A countdown timer with a gentle alarm is perfect for timed meditation sessions. Set your desired duration (10, 15, or 20 minutes), close your eyes, and practice without watching the clock. The timer handles the time-keeping so you can focus entirely on your breath and awareness. For guided meditation presets and specialized features, try our meditation timer.

Shareable Countdown Links

Need to share a countdown with others? Use the Share button to generate a link to your countdown timer. Recipients can click the link to see the same countdown on their device. This is perfect for coordinating group activities, remote team challenges, or synchronized starts. Everyone stays on the same page with the same time remaining.

Countdown Timer for Product Launches and Sales

Product launch countdowns and sale timers create urgency and excitement for marketing events. Our launch countdown timer helps businesses and creators build anticipation.

Marketing Countdown Uses

Creating FOMO

Visible countdowns increase conversion rates by creating fear of missing out. Display our timer on your screen during livestreams, share screenshots on social media, or project it during in-person events. The ticking clock motivates action before time runs out.

Countdown Timer for Classroom and Teaching

Classroom countdown timers help teachers manage activities, transitions, and tests. Our teacher timer keeps students focused and aware of time remaining.

Educational Timer Applications

Classroom Management Benefits

Visible timers reduce "how much time is left?" questions and help students self-regulate. Project our countdown on your smartboard or share screen during remote learning. For more classroom features, see our dedicated classroom timer with teacher-specific presets.

Countdown Timer for Gaming and Competitions

Gaming countdowns add excitement to competitions, speedruns, and turn-based play. Our game timer keeps competitive play fair and thrilling.

Gaming Timer Scenarios

Streaming and Content Creation

Streamers use countdown timers for viewer engagement—stream starting soon countdowns, challenge deadlines, and giveaway timers. Display our timer as a browser source in OBS or share your screen. The visual countdown keeps viewers engaged and builds anticipation.

Countdown Timer for Sports and Fitness

Sports countdown timers track game periods, rest intervals, and training sessions. Our athletic countdown timer supports various competitive and training scenarios.

Sports Timing Applications

Team Sports Coordination

Coaches use visible countdowns to coordinate practices and communicate with players. Display our timer on tablets at the sideline or project onto gym walls. For interval training specifically, check our HIIT timer and Tabata timer.

Countdown Timer for Escape Rooms and Puzzles

Escape room countdowns create pressure and excitement for puzzle-solving adventures. Our escape room timer tracks the classic 60-minute challenge.

Puzzle Game Timing

Building Tension

The visible countdown is essential to escape room psychology—players work faster as time runs low. Display our timer prominently during home escape room parties. Add dramatic music in the final 10 minutes for maximum intensity. The alarm signals victory or defeat.

Countdown Timer for Wedding and Event Planning

Wedding countdowns and event timers help planners and guests track important moments. Our event countdown timer builds excitement for life's celebrations.

Event Planning Countdowns

Day-Of Coordination

Event coordinators rely on precise timing. Use our countdown timer for vendor arrivals, timeline transitions, and "doors open" countdowns. Share the timer with your team so everyone stays synchronized. For speaker management at events, see our presentation timer.

Countdown Timer FAQ

How do I set a custom countdown?
Enter your desired hours, minutes, and seconds in the input fields at the top. For example, for a 2.5 hour countdown, enter 2 in hours and 30 in minutes. Then click Start to begin.
Can I set a countdown for multiple hours?
Yes! Our countdown timer supports up to 99 hours, 59 minutes, and 59 seconds. Simply enter your desired duration and start the countdown.
What happens when the countdown finishes?
When the countdown reaches 00:00:00, an alarm sound plays automatically. You can choose from three different alarm sounds. After the alarm, you can reset the timer to start again.
Can I pause the countdown?
Absolutely! Click the Pause button at any time to stop the countdown. Click Start again to resume from where you left off. The Reset button returns to your original set time.
Does this work on mobile phones?
Yes, this countdown timer is fully responsive and works on any device with a web browser - phones, tablets, laptops, and desktops. No app download required.
Can I use this countdown timer for classroom activities?
Absolutely! Teachers use this countdown timer for timed tests, activity transitions, group work sessions, and brain breaks. Use fullscreen mode (press F or click the Fullscreen button) to display on a projector. The visual timer helps students with time management and keeps the class on schedule.
How do I use fullscreen mode for presentations?
Click the "Fullscreen" button or press the F key to enter fullscreen mode. This displays only the timer on a clean background, perfect for presentations, classrooms, and streaming. Press Escape or click "Exit Fullscreen" to return to normal view.
Can I use this for escape room games?
Yes! Set a 60-minute countdown for authentic escape room pressure. Use fullscreen mode to display prominently where all players can see it. The loud alarm signals game over when time runs out. This timer is perfect for home escape room parties and puzzle games.
What's the best countdown time for SAT/ACT practice?
For SAT practice: 65 minutes (Reading), 35 minutes (Writing), 55 minutes (Math No Calculator), 55 minutes (Math Calculator). For ACT: 45 minutes (English), 60 minutes (Math), 35 minutes (Reading), 35 minutes (Science). Use our countdown timer to simulate real test conditions.
Can I share a countdown with others?
Yes! Click the "Share Timer" button to generate a link to your countdown. Share this link with others so they can see the same countdown on their devices. This is perfect for coordinating activities, remote teams, or synchronized events.
What's the difference between a countdown timer and a stopwatch?
A countdown timer starts at a set time (like 10:00) and counts down to zero - use it when you know how long something should take. A stopwatch starts at zero and counts up - use it to measure how long something actually takes. We offer both: this countdown timer and a separate stopwatch.
Will the timer keep running if I switch browser tabs?
Yes, the countdown continues running even when you switch to other tabs or applications. The alarm will still sound when time is up, and the browser tab title shows the remaining time so you can monitor progress at a glance.

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