Free business generator

Interval and Tabata Timer Builder

Set rounds, work, rest, warm-up, and cool-down, then download a huge-display timer that works offline.

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PDF report included

Total timer

5.83 min

8 work rounds create a 5.83-minute offline timer with 17 timed phases.

Work rounds: 8
Work time: 2.67 min
Audio cues: On after Start

Interval phase plan
Phase	Seconds
Warm up	60
Work · round 1 of 8	20
Rest · next is round 2	10
Work · round 2 of 8	20
Rest · next is round 3	10
Work · round 3 of 8	20
Rest · next is round 4	10
Work · round 4 of 8	20
Rest · next is round 5	10
Work · round 5 of 8	20
Rest · next is round 6	10
Work · round 6 of 8	20
Rest · next is round 7	10
Work · round 7 of 8	20
Rest · next is round 8	10
Work · round 8 of 8	20
Cool down	60

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Copy-ready draft

<!doctype html><html lang="en"><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Saturday circuit</title><style>*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;background:#101713;color:white;font-family:system-ui}.timer{text-align:center;width:min(900px,calc(100% - 30px))}.title{font-size:clamp(26px,5vw,46px);margin:0}.phase{margin:28px 0 0;color:#cbd5d0;font-size:clamp(20px,4vw,34px)}.clock{font-size:clamp(112px,28vw,270px);font-variant-numeric:tabular-nums;font-weight:900;line-height:.9;color:#315c4b}.progress{height:12px;background:#ffffff20;border-radius:99px;overflow:hidden;margin:40px 0}.bar{height:100%;width:0;background:#315c4b}button{font:800 18px system-ui;padding:16px 24px;border:0;border-radius:12px;margin:5px;cursor:pointer}.primary{background:#315c4b;color:white}</style><main class="timer"><h1 class="title">Saturday circuit</h1><p class="phase" id="phase">Ready</p><div class="clock" id="clock">01:00</div><div class="progress"><div class="bar" id="bar"></div></div><button class="primary" id="start">Start</button><button id="pause">Pause</button><button id="reset">Reset</button></main><script>const phases=[{"label":"Warm up","seconds":60},{"label":"Work · round 1 of 8","seconds":20},{"label":"Rest · next is round 2","seconds":10},{"label":"Work · round 2 of 8","seconds":20},{"label":"Rest · next is round 3","seconds":10},{"label":"Work · round 3 of 8","seconds":20},{"label":"Rest · next is round 4","seconds":10},{"label":"Work · round 4 of 8","seconds":20},{"label":"Rest · next is round 5","seconds":10},{"label":"Work · round 5 of 8","seconds":20},{"label":"Rest · next is round 6","seconds":10},{"label":"Work · round 6 of 8","seconds":20},{"label":"Rest · next is round 7","seconds":10},{"label":"Work · round 7 of 8","seconds":20},{"label":"Rest · next is round 8","seconds":10},{"label":"Work · round 8 of 8","seconds":20},{"label":"Cool down","seconds":60}],sound=true,clock=document.querySelector('#clock'),label=document.querySelector('#phase'),bar=document.querySelector('#bar');let phaseIndex=0,left=phases[0]?.seconds||0,elapsed=0,running=false,tickId;function draw(){clock.textContent=String(Math.floor(left/60)).padStart(2,'0')+':'+String(left%60).padStart(2,'0');label.textContent=phases[phaseIndex]?.label||'Complete';bar.style.width=Math.min(100,elapsed/350*100)+'%'}function beep(){if(!sound)return;const audio=new AudioContext(),osc=audio.createOscillator(),gain=audio.createGain();osc.frequency.value=660;gain.gain.value=.06;osc.connect(gain).connect(audio.destination);osc.start();osc.stop(audio.currentTime+.12)}function tick(){if(!running)return;if(left>0){left--;elapsed++}else{phaseIndex++;beep();if(!phases[phaseIndex]){running=false;draw();return}left=phases[phaseIndex].seconds}draw();tickId=setTimeout(tick,1000)}document.querySelector('#start').onclick=()=>{if(!running){running=true;beep();tickId=setTimeout(tick,1000)}};document.querySelector('#pause').onclick=()=>{running=false;clearTimeout(tickId)};document.querySelector('#reset').onclick=()=>{running=false;clearTimeout(tickId);phaseIndex=0;left=phases[0]?.seconds||0;elapsed=0;draw()};draw()</script></html>

113 words · 3216 characters

Use the result well

A clear answer, with the assumptions visible

These recommendations turn the result into an operational next step without hiding the inputs behind a score.

1
Open the downloaded file and test Start, Pause, and Reset.
2
Confirm the work and recovery timing with the class plan.
3
Keep the screen visible without blocking movement or exits.

How this tool works

Build a warm-up, work, rest, and cool-down phase list.
Use one-second browser timing with pause and reset controls.
Create a dependency-free offline HTML timer with optional Web Audio cues.

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A clear answer, with the assumptions visible

How this tool works

Bring the plan into daily work

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