Classroom Timer

Choose the countdown shown when Classroom Timer first opens and which built-in shortcuts appear below it. Changes save automatically.

Hours Minutes Seconds

Quick presets to show

1 min 3 min 5 min 10 min 15 min

Play a finish sound Uses a short sound generated on this device. Nothing is downloaded.

Save up to 12 named presets on this browser.

Saved countdowns are private to this browser. Clearing browser or site data removes them.

Backup & restore