timer
You can set up the timer with the URL query parameter.
| query | value |
|---|---|
| time | remaining time of minutes |
| stopwatch | not required |
12 minutes timer
https://timer.polyomino.jp/?time=12
stopwatch mode
https://timer.polyomino.jp/?stopwatch
You can also set up the remaining minutes by using the setup button. Each click will increase by 1 minute.