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Space to start or pause · L to mark a lap
Holiday timers
Count down to a celebration by selecting its local date and time. Watch the remaining time update automatically in this open page. Change the target for your next event; a date that has already arrived shows zero and a completion message.
A calmer way to keep time
Make every
second count.
second count.
A focused home for timers, clocks, classroom activities and quick picks. Open a tool and get moving — no account, no waiting.
⚡ Starts instantly◉ Works in your browser◎ 38 languages
Stay in rhythmOne clear moment at a time
Ready when you areRuns right here on your device
Your toolkit
More Chronos tools
Thirty-two lightweight tools. One quick search.
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Timers
Stopwatch
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A simple, clear countdown.
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Watch the final seconds circle by.
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Timer
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Interval timer
Alternate work and rest blocks.
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Make your own timer
Build a timer for your routine.
↗Timers
Custom countdown
Choose the exact duration.
↗Classroom
Exam timer
Keep an exam session on track.
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Presentation timer
Keep a talk within its time.
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Classroom timers
A clear timer for group work.
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Sensory timer
A gentle visual breathing guide.
↗Clocks
Online clock
A clean live clock.
↗Clocks
Digital clock
A crisp digital time display.
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Alarm clock
Set a local browser alarm.
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Talking clock
Check the time out loud.
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Cash clock
See time turn into earnings.
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Chess clock
Two-sided clock for chess.
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Chess timer
Manage both sides of the board.
↗Rhythm
Metronome
Keep a steady beat.
↗Rhythm
Video timer
Play a video from your device while your timer runs.
↗Random
Random name picker
Pick a name fairly at random.
↗Random
Number generator
Generate a number in your range.
↗Random
Group generator
Shuffle people into teams.
↗Random
Chance games
Make a quick random choice.
↗Random
Race timers
Run a friendly random race.
↗More
Tally counter
Count taps with one big button.
↗More
Date countdown
Count down to any date.
↗More
Holiday timers
Count down to a special day.
Use it in your browser
Chronos processes names, settings and selected videos on your device. These tools do not require registration. Keep the page open while a timer or alarm runs; browser background limits or a sleeping device can delay a signal.