Chrome //
Extensions 
Chrome
Web store
select chrome_id_no,plugin_tag_line,plugin_name,plugin_icon,sitemap_url,oldvsnew_comment from final_chrome_totaldata_sept2022 where MATCH(plugin_name) AGAINST('+timer +alarm' IN Boolean MODE) order by users desc
Alarm, Timer and Stopwatch
A powerful alarm extension that supports multiple timers and stopwatches with five to ten-minute snooze.
Lightweight Alarm Clock, Timer & Countdown
Alarm clock, timer, and countdown with sound and desktop notification.
Timer with Alarm
With this app you can countdown a specified amount of time, and when this alloted time has expired, an alarm will sound.
Stopwatch, Timer and Alarm
For your browser, a simple to use and lightweight timer, alarm, and stopwatch.