45 Minute Timer
A 45:00 countdown, already dialed in — press Start and get a triple beep plus a flashing display when time is up. Free, no sign-up, and the tab title keeps counting even while you work in another tab.
Minutes
Custom minutes
Custom seconds
A beep plays when the timer finishes — keep this tab's sound on.
What a 45 minute timer is good for
Forty-five minutes is a standard school lesson, a full gym session, a common roast-vegetable oven time, and the sweet spot many remote workers use for deep-work blocks with a real break after. Pause and resume without losing a second.
Need a different length? Change the minutes right in the timer above, or jump to another preset below. For counting up instead of down, use the Online Stopwatch; for counting down to a calendar date, try the Countdown to Date.