# TimerStopwatch.com > Free online timer, stopwatch, Pomodoro timer, interval (HIIT/Tabata) timer and countdown to any date. No sign-up, no cookies, works offline. Alarms are scheduled on the browser's audio clock so they ring on time in background tabs; timers and stopwatches survive a page reload because their start/end times are saved locally in the browser. Key facts: - Cost: free; no account; no ads. - Timer range: 1 second to 99:59:59. Stopwatch precision: 1/100 second, with laps, split times, CSV export. - Shareable links: a timer is /timer/ (e.g. /timer/5-minutes, /timer/90-seconds, /timer/1-hour) with optional ?title=; a countdown is /countdown?title=…&date=YYYY-MM-DD&time=HH:MM&tz=. - Keyboard: Space start/pause, R reset, F full screen, L lap (stopwatch), + add a minute (timer), N next (Pomodoro/interval). - Privacy: no cookies or third-party scripts; settings and laps stay in the browser's localStorage. ## Tools - [Online Timer](https://timerstopwatch.com/timer): Countdown with an alarm, presets, a title and full screen. - [Online Stopwatch](https://timerstopwatch.com/stopwatch): Lap and split times to 1/100 s, best and worst laps, CSV export. - [Pomodoro Timer](https://timerstopwatch.com/pomodoro): 25-minute focus sessions and breaks, with auto-start and a daily tally. - [Interval Timer](https://timerstopwatch.com/interval-timer): HIIT, Tabata, EMOM and boxing rounds with 3-2-1 beeps and voice cues. - [Countdown to a Date](https://timerstopwatch.com/countdown): Days, hours, minutes and seconds to any date and time zone, shareable by link. - [Tabata Timer](https://timerstopwatch.com/tabata-timer): 20 seconds work, 10 seconds rest, 8 rounds (4 minutes), with beeps and voice cues. ## Preset timers - [10 Second Timer](https://timerstopwatch.com/timer/10-seconds): counts down 10 seconds (10 seconds) with an alarm. Ten seconds is one slow breath in and out, a lightning-round answer or a burst of all-out effort — short enough that a big visible countdown keeps everyone honest. - [15 Second Timer](https://timerstopwatch.com/timer/15-seconds): counts down 15 seconds (15 seconds) with an alarm. A 15-second timer suits speed drills and short holds: long enough to do something properly, short enough to repeat many times. - [20 Second Timer](https://timerstopwatch.com/timer/20-seconds): counts down 20 seconds (20 seconds) with an alarm. Twenty seconds is the minimum the U.S. CDC recommends for scrubbing your hands with soap — about two rounds of “Happy Birthday” — and the work interval of a classic Tabata round. - [30 Second Timer](https://timerstopwatch.com/timer/30-seconds): counts down 30 seconds (30 seconds) with an alarm. Thirty seconds is the classic plank or wall-sit interval, the length of a typical TV ad and about right for an elevator pitch. - [45 Second Timer](https://timerstopwatch.com/timer/45-seconds): counts down 45 seconds (45 seconds) with an alarm. Forty-five seconds is a favourite work interval in circuit training: long enough to tire the muscles, short enough to keep good form all the way through. - [1 Minute Timer](https://timerstopwatch.com/timer/1-minute): counts down 1 minute (60 seconds) with an alarm. One minute is the yardstick of quick challenges — “minute to win it” games, one-minute speeches, mental-math sprints — and the unit every EMOM workout is built on. - [90 Second Timer](https://timerstopwatch.com/timer/90-seconds): counts down 90 seconds (90 seconds) with an alarm. Ninety seconds is a typical rest between heavy strength sets and a common reheat time for a microwave meal. - [2 Minute Timer](https://timerstopwatch.com/timer/2-minutes): counts down 2 minutes (120 seconds) with an alarm. Two minutes is how long the American Dental Association recommends brushing your teeth, and the line in David Allen’s “two-minute rule”: if a task takes less than two minutes, do it now. - [3 Minute Timer](https://timerstopwatch.com/timer/3-minutes): counts down 3 minutes (180 seconds) with an alarm. Three minutes is a round of professional boxing, the time on most packets of instant noodles, and a good starting point for steeping black tea. - [4 Minute Timer](https://timerstopwatch.com/timer/4-minutes): counts down 4 minutes (240 seconds) with an alarm. Four minutes is exactly one Tabata workout — eight rounds of 20 seconds on and 10 seconds off — and the usual steeping time for French-press coffee. - [5 Minute Timer](https://timerstopwatch.com/timer/5-minutes): counts down 5 minutes (300 seconds) with an alarm. Five minutes is the go-to short break: a brain break between lessons, a quick tidy-up, a five-minute journal or the short break in the Pomodoro Technique. - [6 Minute Timer](https://timerstopwatch.com/timer/6-minutes): counts down 6 minutes (360 seconds) with an alarm. Six minutes gives a jammy, just-set yolk on a large boiled egg, and it is the length of the six-minute walk test clinicians use to gauge endurance. - [7 Minute Timer](https://timerstopwatch.com/timer/7-minutes): counts down 7 minutes (420 seconds) with an alarm. Seven minutes is the famous “7-minute workout”: twelve bodyweight exercises of 30 seconds each with short rests in between, published in ACSM’s Health & Fitness Journal in 2013. - [8 Minute Timer](https://timerstopwatch.com/timer/8-minutes): counts down 8 minutes (480 seconds) with an alarm. Eight minutes is a comfortable length for a guided meditation and about right for an egg that is firm but still creamy in the middle. - [9 Minute Timer](https://timerstopwatch.com/timer/9-minutes): counts down 9 minutes (540 seconds) with an alarm. Nine minutes lands most dried spaghetti al dente — check the packet, but nine to ten minutes is the usual window. - [10 Minute Timer](https://timerstopwatch.com/timer/10-minutes): counts down 10 minutes (600 seconds) with an alarm. Ten minutes is one of the most popular timer lengths: a short power nap, a ten-minute tidy, a plank-and-stretch routine or the reading time before an exam. - [12 Minute Timer](https://timerstopwatch.com/timer/12-minutes): counts down 12 minutes (720 seconds) with an alarm. Twelve minutes is the Cooper test — the running test Dr. Kenneth Cooper devised in 1968 — a quarter of an NBA basketball game, and a typical bake time for a tray of cookies. - [15 Minute Timer](https://timerstopwatch.com/timer/15-minutes): counts down 15 minutes (900 seconds) with an alarm. A quarter of an hour fits a Pomodoro long break, a coffee break or a focused burst of homework — and it is how long a roast usually rests before carving. - [20 Minute Timer](https://timerstopwatch.com/timer/20-minutes): counts down 20 minutes (1,200 seconds) with an alarm. Twenty minutes is the upper end of a refreshing power nap, about how long white rice needs, and the interval in the 20-20-20 rule for tired eyes. - [25 Minute Timer](https://timerstopwatch.com/timer/25-minutes): counts down 25 minutes (1,500 seconds) with an alarm. Twenty-five minutes is one “pomodoro” — the focus block at the heart of the Pomodoro Technique that Francesco Cirillo developed in the late 1980s. - [30 Minute Timer](https://timerstopwatch.com/timer/30-minutes): counts down 30 minutes (1,800 seconds) with an alarm. Half an hour is the classic workout, reading or practice session — and 30 minutes of moderate activity five days a week meets the World Health Organization’s minimum of 150 minutes a week. - [40 Minute Timer](https://timerstopwatch.com/timer/40-minutes): counts down 40 minutes (2,400 seconds) with an alarm. Forty minutes is a common class period and a long, steady workout — a full session that does not drag on. - [45 Minute Timer](https://timerstopwatch.com/timer/45-minutes): counts down 45 minutes (2,700 seconds) with an alarm. Forty-five minutes is one half of a soccer match, a typical yoga or spin class, and a popular length for meetings and lessons. - [50 Minute Timer](https://timerstopwatch.com/timer/50-minutes): counts down 50 minutes (3,000 seconds) with an alarm. Fifty minutes is the “therapy hour” and the length of many university lectures — a long block that leaves ten minutes of the hour to reset. - [1 Hour Timer](https://timerstopwatch.com/timer/1-hour): counts down 1 hour (3,600 seconds) with an alarm. An hour is the standard unit of meetings, exams, workouts and parking meters — and the longest of the quick-start presets on this site. - [90 Minute Timer](https://timerstopwatch.com/timer/90-minutes): counts down 90 minutes (5,400 seconds) with an alarm. Ninety minutes is a soccer match’s regular time, roughly one full sleep cycle, and a popular block length for deep, focused work. - [2 Hour Timer](https://timerstopwatch.com/timer/2-hours): counts down 2 hours (7,200 seconds) with an alarm. Two hours covers most films, a long exam or a slow roast, and it is a natural limit for a screen-time or gaming session. - [3 Hour Timer](https://timerstopwatch.com/timer/3-hours): counts down 3 hours (10,800 seconds) with an alarm. Three hours suits long exams, a full afternoon of focused work and slow-cooked dishes that need checking now and then. - [4 Hour Timer](https://timerstopwatch.com/timer/4-hours): counts down 4 hours (14,400 seconds) with an alarm. Four hours is half a working day — a sensible limit for a long gaming or screen session, or a reminder to stand up, stretch and drink some water. - [5 Hour Timer](https://timerstopwatch.com/timer/5-hours): counts down 5 hours (18,000 seconds) with an alarm. Five hours suits low-and-slow cooking, long drives with planned stops and anything you need to be reminded about later in the day. - [6 Hour Timer](https://timerstopwatch.com/timer/6-hours): counts down 6 hours (21,600 seconds) with an alarm. Six hours is a quarter of a day: a long shift, a slow-cooker recipe on high, or a soaking, curing or drying time. - [8 Hour Timer](https://timerstopwatch.com/timer/8-hours): counts down 8 hours (28,800 seconds) with an alarm. Eight hours is the classic working day and the amount of sleep many adults aim for — handy when you want a nudge at the end of a long stretch. - [12 Hour Timer](https://timerstopwatch.com/timer/12-hours): counts down 12 hours (43,200 seconds) with an alarm. Twelve hours is half a day: a long shift, an overnight marinade or dough, or the gap between two doses of something you take twice a day. - [24 Hour Timer](https://timerstopwatch.com/timer/24-hours): counts down 24 hours (86,400 seconds) with an alarm. Twenty-four hours is one full day — a 24-hour challenge, a day-long fast, or a reminder for this exact time tomorrow. ## Holiday countdowns - [New Year Countdown](https://timerstopwatch.com/countdown/new-year): days, hours, minutes and seconds until New Year’s Day (January 1), in the visitor's local time zone. - [Valentine’s Day Countdown](https://timerstopwatch.com/countdown/valentines-day): days, hours, minutes and seconds until Valentine’s Day (February 14), in the visitor's local time zone. - [Halloween Countdown](https://timerstopwatch.com/countdown/halloween): days, hours, minutes and seconds until Halloween (October 31), in the visitor's local time zone. - [Christmas Countdown](https://timerstopwatch.com/countdown/christmas): days, hours, minutes and seconds until Christmas Day (December 25), in the visitor's local time zone. ## About - [About](https://timerstopwatch.com/about): how the tools work and the site's principles. - [Privacy](https://timerstopwatch.com/privacy): no cookies, no trackers; data stays in the browser. - [Contact](https://timerstopwatch.com/contact): hello@timerstopwatch.com