45 Minute Countdown Timer

Timer

00:00:10

Keyboard: Space to start/pause • E edit • S stop • R reset

Start a 45 minute countdown timer with music

Click Start to run a free 45 Minute Countdown Timer online alarm with music. It’s pre-set to 45:00, plays a clear alarm at zero, and works smoothly on phone, tab or desktop.

How it works

Start to begin
Stop to pause, Start to resume
Reset returns to 45:00
Edit to personalize sound, volume, loop, or switch to a target date & time
With Edit, you can also set any custom duration (hours, minutes, seconds)
Optionally, set a specific date & time countdown instead of a fixed duration

Shortcuts

Space = start/pause, E = edit, S = stop, R = reset

Keep this tab open while it runs. On mobile, avoid locking the screen for uninterrupted timing.

Pros and Cons:

✅ Pros

Works on Web Browser, Windows, macOS, Android, iOS
Simple interface with quick controls
Customizable duration, alarm, and target date & time
Free and requires no installation

❌ Cons

Tab must stay open
Screen lock interrupts on mobile
Online only (no offline mode)

Great for

Extended Pomodoro focus sessions, study blocks, lesson transitions, longer meetings, writing sprints, and moderate workout sets.