Quick utilities
About this tool
Set a duration and the timer counts down to a fixed deadline, so it stays correct even when the tab is in the background. An alert sounds and the display flashes until you acknowledge it.
How to use it
Set the values in the countdown timer above and the result updates as you type. Everything runs in your own browser — there is no account, no upload and no server-side calculation, so nothing you type is transmitted or stored.
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