Custom Countdown Timer

Set any duration and start counting down

05:00

Space start/pause · R reset · ↑↓ adjust

Supports: 5m, 1h, 90s, 1:30, 01:30:00

Quick Presets

About the Custom Countdown Timer

Create a countdown timer for any duration. Enter hours, minutes, and seconds, or use the quick input to type durations like "5m" or "1h 30m". Perfect for cooking, workouts, studying, or any timed activity.

How to Set a Timer

  • Use the number inputs to set hours, minutes, and seconds
  • Or type a duration like '5m', '1h', '90s', or '1:30'
  • Click 'Set Timer' or press Enter to apply
  • Use quick preset buttons for common durations
  • Adjust time while running with +/- buttons

Input Formats

  • 5m5 minutes
  • 1h1 hour
  • 90s90 seconds
  • 1:301 minute 30 seconds
  • 01:30:001 hour 30 minutes