space start/pause · r reset · f fullscreen
A 2 minute countdown for the things that should not take long. Start it, keep it in the corner of the screen, and let the blinking finish tell you the box is closed.
Open this page and press Start, or hit the space bar - the countdown is already loaded with 2 minutes. Press F for fullscreen if you want to read it from across the room, and use the custom field to switch to any other duration.
Yes. The countdown is calculated from a fixed end time rather than counted tick by tick, so background throttling cannot make it drift. The remaining time also appears in the browser tab title while you work in another tab.
Yes, it chimes three times and the clock turns red. The last ten seconds blink as a warning, and the chime can be muted with the speaker button.
Yes, it is completely free, needs no account, and runs entirely in your browser - nothing is sent to a server.