FAQ
Frequently asked questions
Is Start Online Timer free?
Yes. The timer and public guides are free to use.
Do I need an account?
No. You can start a timer immediately.
Does the timer keep working in another browser tab?
Yes. It calculates remaining time from the target end time, so switching tabs should not stop the countdown.
Will I hear an alarm?
The site uses browser audio when available. Some browsers require a user interaction before sound can play.
Can I pause and resume?
Yes. Use Pause and then Start to resume.
Does it work on phones?
Yes. The layout is responsive and works on modern mobile browsers.
Can I rely on it for safety-critical timing?
No. Browser and device sleep restrictions can affect alarms. Do not use a browser timer for medical, industrial, emergency or other safety-critical timing.