4 Minute Timer — Free Tabata Countdown
Free online countdown — fullscreen, alarm, no signup
How to Use This 4 Minute Timer
Set Duration
The timer is preset to 4 minutes. Click Set to confirm.
Initialize
Review the countdown display and enter fullscreen if needed.
Start
Hit Start to begin. The alarm sounds when time reaches zero.
Cast This Timer to a Bigger Screen
Mirror this countdown to any TV, projector, or classroom display via Chromecast, AirPlay, or HDMI. Perfect for group workouts, classroom reading sessions, or presentation rehearsals where everyone needs to see the time.
Full casting guideCommon Uses for a 4 Minute Timer
Tabata full sequence timer (8 rounds)
Eight rounds of 20 seconds on and 10 seconds off equals exactly four minutes — the complete Tabata protocol. Use this timer to power through a full high-intensity interval session without manually tracking rounds.
Student reading and silent work time
Four minutes is an ideal duration for classroom silent reading or independent work. Project the countdown on your front screen so students have a shared visual deadline — reducing the need to announce time checks and keeping the room focused.
Short warm-up before training
Use this countdown for a dynamic warm-up sequence before sports practice or gym sessions. Four minutes is enough to activate major muscle groups, raise core temperature, and prepare joints for heavier work.
Timed writing and journaling prompts
Freewriting sessions benefit from a gentle time boundary. Set this four minute countdown, pick a prompt, and write continuously without editing. The alarm at zero signals a natural stopping point.
Four minutes is the exact duration of a complete Tabata sequence — eight rounds of 20 seconds on and 10 seconds off — making it one of the most searched workout-specific countdowns in fitness training. Beyond training, four minutes works well for timed silent reading in classrooms, short warm-up sequences before sports practice, and focused journaling or freewriting sessions. This timer runs directly in your browser with no setup: hit start, see the large countdown, hear the alarm at zero. For a Tabata session, pair it with interval alerts so each 20/10 split is signaled automatically. For classroom use, project the 4 minute countdown on your front screen so students have a shared visual deadline for silent work — reducing the need to announce time checks and keeping the room focused. Cast wirelessly to any display via Chromecast or AirPlay.