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Simple Tabata Timer

Start a 4-minute Tabata workout instantly.

READY
ROUND 1 / 8
00:20

Runs entirely in your browser. No installation needed.

Simple Tabata Timer: Guide

Intent
Free Tabata timer online for the classic protocol: 20s work / 10s rest for 8 rounds (4 minutes). Start instantly and follow the beeps.
What it does
Runs a fixed Tabata workout with beeps for transitions and the last few seconds, plus pause/resume and a sound toggle.
Key features
20/10 x 8 rounds, Sound toggle, Pause/resume
Privacy
Runs locally in your browser. No sign-in, no tracking.
Best for
  • Tabata workouts (20/10 x 8) when you want a true 4-minute interval set
  • Busy days: a fast finisher that needs zero setup
  • Anyone searching 'Tabata timer online' or '20 10 timer'
Why this tool
  • Fixed protocol by design, so there is nothing to configure
  • Pause/resume and sound toggle for real-world training sessions
  • Local-first: no sign-in and no tracking

How to use

  1. 1Press START (audio initializes on the button press).
  2. 2Follow the WORK and REST phases on screen.
  3. 3Use PAUSE/RESUME if you need to stop briefly.
  4. 4Press RESET to return to READY and start over.

Common mistakes

  • Expecting to customize rounds or durations (this tool is fixed by design).
  • Sound is toggled off (no beeps).
  • Leaving the tab in the background on mobile, which can delay interval updates.

Examples

Bodyweight Tabata
Round 1-8: 20s burpees (WORK) / 10s rest (REST) Finish: DONE + long beep
Bike sprints
WORK: sprint hard REST: easy spin Repeat for 8 rounds (4 minutes)

Related tools

Simple HIIT Timer
For a longer 30/30 x 10 HIIT session (10 minutes).
Interval Timer
For custom work/rest durations when you need flexible intervals.
EMOM Timer
For minute-based strength or conditioning rounds.
AMRAP Timer
For continuous effort blocks without interval switching.

Workflows (kits)

Focus & Training Timers Kit
A practical set of timers for training blocks and intervals.