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Free Online Countdown Timer with Loud Alarm

Set your timer in hours, minutes, or seconds, switch to full-screen mode, and get a clear loud alarm when time is up — perfect for cooking, workouts, or productivity on desktop and mobile.

FreeNo loginMobile optimizedKeyboard shortcuts

Key Features

Everything you need to manage your time effectively.

Loud alarm

Reliable sound and visual alerts that cut through background noise.

Easy sharing

Sync your timer across devices or team members instantly.

Full-screen

Distraction-free layout that stays readable from a distance.

Mobile & desktop

Optimized for modern browsers—smooth, fast, and responsive.

Keyboard shortcuts

Start, pause, and reset instantly with convenient keyboard shortcuts.

Second precision

Accurate and stable countdowns that stay precise, even in long sessions.

Why Use an Online Timer?

Structure, Focus, and Productivity

A timer does more than count down — it transforms how you manage your time. Whether you're working, studying, or training, it helps you stay on pace, meet goals, and remain focused. With a precise online timer, you can structure sessions, balance effort and rest, and stay in control — at work, at home, or on the go.

What Makes a Good Online Timer?

A good online timer should be:

  • Accurate — stable countdown with no time drift, reliable timing.
  • Fast and intuitive — start/stop, adjust duration, and reset with zero friction.
  • Syncable — state persists on refresh and is shareable via link.
  • Accessible — works on desktop, mobile, and tablet with no install.
  • Readable — crisp typography, high contrast, clear time remaining.
  • Privacy-respecting — no account required, no intrusive ads.
Built for precision, simplicity, and clarity — no intrusive ads, no login.

Guides & Articles on Time Management

Discover practical guides to improve productivity and optimize time management.

productivity8 min

Put Your Phone Away: The Secret to Deep Focus and Productivity

Scientific research reveals why removing phones from workspace boosts productivity by 30%. Learn deep focus techniques, 4-hour work sessions, and timer-based strategies to eliminate distractions and maximize concentration.

productivity4 min

Andrew Huberman's Surprisingly Simple Focus Protocol

Learn neuroscientist Andrew Huberman's proven focus protocol: 2-hour deep work sessions with 10-minute penalties for distractions. Transform your concentration abilities through disciplined practice and timer-based training.

Productivity5 min

Online Stopwatch: Free Tool for Workouts, Study, and Productivity

Master time tracking with our free online stopwatch featuring millisecond precision, lap recording, and split timing. Perfect for fitness training, study sessions, cooking, and productivity. Works on all devices without downloads.

See all articles

Tip of the Day

Before a focus block, write one clear outcome on a sticky note. Single-tasking beats multitasking for deep focus and better results.

Book of Month

"Essentialism"

by Greg McKeown

The disciplined pursuit of less to achieve what truly matters.

Keyboard Shortcuts for Quick Use

Control your timer without leaving the keyboard. Ideal for focused work sessions where every second counts. Boost your productivity and time management with seamless keyboard shortcuts.

  • Space
    Start / PauseToggle the timer
  • S
    SettingsOpen timer settings
  • R
    ResetReset the timer to zero

Why shortcuts? Maximum efficiency without breaking your flow.

Share & Sync: One Link, Same Timer

Share your timer state — running/paused, time remaining, set duration — with a simple link.

  • Team sync — work sessions, study groups, workouts, and live events stay aligned.
  • Multi-device — open the link elsewhere and resume with the same timer.
  • No account — privacy-respecting by design, no signup required.
Copy the link and share: everyone sees the same timer with the same time remaining.

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