99 seconds
An online timer for 99 seconds helps you not to miss time during short training sessions, laboratory experiments, or game breaks. At the end, an alarm sounds, which can be configured individually.
The full-screen format is convenient when working with a projector or for multiple users at once.
The built-in seconds-to-minutes converter makes working even more convenient, and if desired, it is easily hidden.
An online 99 seconds timer is convenient for controlling small intervals: short workouts, meditations, speed checks, and brief breaks. Starts with a single click and keeps counting even when you switch tabs.
In other units:
99 seconds equals 1 minute 39 seconds.
No. The 99 seconds timer runs in the browser — on phone, tablet, or computer. No apps to install, no sign-up needed.
Yes, the countdown continues even when you switch tabs. The remaining time is also shown in the browser tab title, so you won't miss the end.
Yes, settings let you pick different sounds and adjust the volume. You can also mute it entirely.
Yes, there's a full-screen mode — handy for presentations, classes, workouts, and group sessions.
The timer uses the device's system clock and stays accurate even on long intervals. Countdown precision is to the second.
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