What a 1 hour timer is good for
- An exam or a timed essay.
- Parking or a booked room that runs out in an hour.
- A long focus session, then a real break.
Need another length? Type it under Custom length, or open the online timer.
Press Start, or the space bar, and it counts down 1 hour, then rings. Pause, reset or snooze it, and go full screen for a room to see.
Nothing set yet. What you set here rings in this tab.
Click anywhere on the page so it may play sound.
Rings while this tab is open and the computer is awake.
This browser isn’t saving them: a reload clears them.
This page rings only while it stays open. Our free Chrome extension keeps your reminders in Chrome’s side panel and rings each one with a notification and a sound whenever Chrome is running, on every computer where you’re signed in to Chrome with sync on.
Free · 30,000 users · rated 4.8 in the Chrome Web Store
For Chrome on Windows, Mac, Linux and Chromebooks.
Need another length? Type it under Custom length, or open the online timer.
Yes. It doesn’t count seconds one by one; it compares with the clock, so a busy or background tab doesn’t make it drift.
Small tools for Chrome that do one job well.