Free 25-minute Pomodoro timer. The classic focus block length — countdown with audio alarm for study sessions and deep work. No download needed.
The classic 25-minute Pomodoro focus block
One focused study interval before a 5-min break
First draft writing without editing
Single-task concentrated work
Batch-process all email in one session
The live timer above starts directly on this page — press START and the 25 minutes countdown begins immediately. An audio alarm fires when it reaches zero.
For the full experience with fullscreen mode and theme options, open GlowClock's timer tab, enter 25 minutes and press F11 to go fullscreen. The large glowing display is clearly visible across a room — ideal for classrooms, gyms and presentations.
The 25-minute timer is the standard Pomodoro Technique interval. After each session, take a 5-minute break using the 5 minute timer, then start again. After 4 Pomodoros, take a 20–30 minute longer break.
Yes. Keep the GlowClock tab open and the alarm will fire even when you're in another tab. Make sure your device volume is on and the browser isn't suspended (this can happen on mobile when the screen locks).
Yes. Open glow-clock.com, set 25 minutes in the Timer tab and press F11. The countdown fills your entire screen in large, high-contrast text.
Yes. A clear audio alarm sounds when the 25 minutes countdown reaches zero. The alarm repeats until you dismiss it so you won't miss it.
Yes. Press Pause on the live timer above, or use the Pause button in the GlowClock app. Press Start again to resume from where it stopped.
Audio alarm · Fullscreen · No sign-up · Works on any device
Open Full Timer App