oTimers.com
Countdown Timers

Time it precisely.

Visual countdown timers with smooth radial sweep, custom styles and infinite colour option. Full screen and always-on-top floating window options. Free to use, distraction-free with no paywalls or popups.

Open Custom Timer → Browse presets ↓
  • Millisecond precision
  • Singing bowl
  • Picture-in-Picture
  • Custom slider
01:00.0
Launch full 1 min timer →
Choose your duration

Pick a timer

Flagship

Custom Countdown Timer

Dial in any duration with the slider and watch the radial arc sweep down with millisecond precision.

Radial arc sweepMillisecond precisionCustom slider
Under 5 min

Quick Presets

Micro-timers for stretches, tooth brushing, speed rounds and quick resets.

1 min3 min5 min
10 – 30 min

Short Presets

Focus sprints, meetings and workouts, including the classic 25-minute block.

10 min15 min25 min30 min
45 – 60 min

Long Presets

Deep-work sessions, lessons and long cooks with a gentle chime at the end.

45 min60 min
Sound

Singing Bowl Chimes

A soothing singing bowl and gong alert instead of a harsh beep.

Singing bowlGongs
Always on top

Picture-in-Picture

Pop the countdown into a floating always-on-top window while you work elsewhere.

Always-on-topPiP mode
Direct Jump

Countdown Presets

1
1 Minute Timer Launch countdown →
2
2 Minute Timer Launch countdown →
3
3 Minute Timer Launch countdown →
4
4 Minute Timer Launch countdown →
5
5 Minute Timer Launch countdown →
6
6 Minute Timer Launch countdown →
7
7 Minute Timer Launch countdown →
8
8 Minute Timer Launch countdown →
9
9 Minute Timer Launch countdown →
10
10 Minute Timer Launch countdown →
15
15 Minute Timer Launch countdown →
20
20 Minute Timer Launch countdown →
25
25 Minute Timer Launch countdown →
30
30 Minute Timer Launch countdown →
45
45 Minute Timer Launch countdown →
60
60 Min (1 Hour) Launch countdown →
Custom Duration Set any min & sec →
Display & Viewing

Fullscreen & Floating Window

Picture-in-Picture (Floating Window)

P Shortcut

Pop the live countdown dial into a native, resizable floating window that stays pinned on top of spreadsheets, documents, Zoom calls, or coding environments while you work.

Launch Floating Timer →

Fullscreen & Projector Mode

F Shortcut

Maximize the visual sweep across your entire monitor with zero browser borders or address bar distractions. Ideal for classrooms, smartboards, presentations, and desk stands.

Launch Fullscreen Timer →
1
Pick a duration

Choose any preset or enter custom minutes and seconds.

2
Press start

Watch the radial arc sweep down in real time.

3
Hear the chime

A singing bowl or gong signals when time is up.

4
Float it

Use Picture-in-Picture to keep it always on top.

Why oTimers

See time disappear.

A radial arc makes the remaining time visible at a glance, so you stay aware without staring at digits. Gentle singing bowl and gong chimes replace jarring alarms, and Picture-in-Picture keeps the clock floating above your other windows.

FAQs

Questions, answered

Which durations have their own page?

Every minute from 1 to 10, plus 15, 20, 25, 30, 45 and 60 minutes. For anything else use the custom countdown at /timer/custom.

Is there a sound when the timer ends?

Yes. The timer rings a singing bowl or gong chime rather than a harsh beep.

Can I keep the timer visible while I work?

Yes. Picture-in-Picture mode floats the countdown in an always-on-top window.

How precise is it?

The countdown runs with millisecond precision and a smooth radial arc sweep.