Countdown Stack
Stack up as many countdowns as you need and watch the nearest one in the toolbar. Durations accept 90, 1:30, 5m or 1h 20m, and paused timers keep exactly what was left.
Android용 Firefox에서 이 확장 기능을 열려면 QR 코드를 스캔하세요
Stack up as many countdowns as you need and watch the nearest one in the toolbar. Durations accept 90, 1:30, 5m or 1h 20m, and paused timers keep exactly what was left.