Timer Chrome 插件, crx 扩展下载

                    
A Quick Timer to measure the amount of time spend...
countdown and countup timer with simple interface and ability to run multiple timers also works offline .
It helps you to keep track of your time to stay productive and alert about each and every moment ..
use ctrl+s to start and ctrl+shift+s to stop 
also use by clicking on icon.
  To set 15 minutes: 15. or 1500 (00:15:00)
   To set 72 hours (3 days): 72.. or 3... (3 00:00:00)
   To set 3 hours and 45 minutes: 345. or 3.45. (03:45:00)
   To set 90 seconds (1:30): 90 or 1.30 (00:01:30)

For Financial Support Indians can contribute at  upi id- k.rajmani@paytm 
and Foreigners/NRI's  using below link
https://www.paypal.com/paypalme/paramsiddha 
please contribute to support the efforts and so that will continue bring more such extensions to stay productive , also give your feedback and rating.
Thanks