Counts up · for splits & elapsed time

Cronometro Online

Ready
00:00:00 .00 Tap to start
00:00:00
Space Start / Resume | P Pause | L Lap | R Reset | C Copy link | Esc Exit | F Fullscreen | D Display | S Sleep
Stopwatch options
Quick look

Stopwatch data

TT Lap Time Elapsed Time Current Time
Embed this stopwatch

Beyond the basics

Features worth discovering — try them on the stopwatch above.

Time tools for every job

Everything you need to manage time, all in one place — no extra tabs, no extra apps.

Why Cronometro

Built to be fast, private, and genuinely pleasant to use.

Free & no sign-up

No accounts, no paywalls, no ads. Open a tool and start using it immediately.

Privacy by design

Your laps, alarms, and settings are stored locally in your browser — never uploaded to a server.

Built for speed

Press Ctrl+K to open the command palette and jump to any tool or action without touching the mouse.

Made for everyone

10 languages, a polished dark mode, and an installable app that works great on any device.

The fast, private, and delightfully complete way to track time — right in your browser.

100% free, no sign-up Your data never leaves your browser Available in 10 languages Press Ctrl+K to jump anywhere

Online stopwatch

Why choose Cronometro Online

Cronometro Online is a free set of browser-based time tools built around one idea: open the page and it just works — no installation, no registration, no account. The online stopwatch on this page is ready the instant you land here.

Stopwatch or countdown?

This stopwatch counts up from zero for elapsed time and laps. Need a countdown? Use the online timer or Pomodoro. Across cities? Open the world clock.

Your data stays yours

Every lap stays in this browser — never uploaded, never tied to an account. Export what you need, or clear it whenever you're done.

How to use this stopwatch

  1. Start Press Start (or Space / tap the face) to begin counting up.
  2. Lap Press Lap for each split while running; pause or reset when done.
  3. Keep Open Stopwatch options to change skins, export laps, save, or share.

What makes this stopwatch different

  • High-precision timing with real-time updates
  • Start, pause, resume, and reset instantly
  • Lap recording — show or hide as you like
  • Export laps to CSV and Excel (XLSX)
  • Delete saved lap data anytime
  • Fullscreen for distraction-free focus
  • Hide hours or milliseconds when you want
  • Desktop and mobile browsers — no download

More than a stopwatch

Sports, study, cooking, productivity — or jump to another free tool:

Frequently asked questions about Cronometro online

Cronometro Online is a free set of browser-based time tools — stopwatch, timer, countdown, alarm, world clock, flip clock, calendars, and date, age, and hours calculators. There is no account and nothing to install. Open a page and start.
Use the stopwatch on this page to measure elapsed time and laps. Use the Timer or Pomodoro to count down a duration. Use Countdown for a date, Alarm to be notified at a clock time, World Clock for other cities, and the calculators for dates, age, or worked hours. Press Ctrl+K (or the search button) to jump by name.
A stopwatch counts up from zero to measure how long something takes. A timer counts down from a set duration and alerts you when time is up. Both run in your browser on Cronometro.
No. Every tool works without registration. Laps, alarms, and settings stay in your browser’s local storage unless you copy a share link yourself.
Timing data is not sent to a server to compute results. Tools run in your browser. Optional analytics cookies are off until you accept the cookie banner.
Tools are available in English, Spanish, German, French, Italian, Japanese, Korean, Dutch, Portuguese, and Russian. This branded homepage stays in English; the language switcher opens the same tools under each locale.
Press Ctrl+K or Command+K, or tap the search button in the header, and type what you need — for example “25 minutes”, “Tokyo”, or “how old”. You can also use the intent chips and the tool groups on this page.