Interval Timer is a productivity chrome extension. it's a free extension , it has 1,000+ active users since released its first version, it earns an average rating of 4.91 from 11 rated user, last update is 1444 days ago.
When you set the time, the set timers will run in sequence. It counts in the background and notifies you when it is time. Please use it when you want to concentrate. Interval Timer does not send your data to anywhere. === ver 1.1.1 === Added sound at the end of the alarm.
You could download the latest version crx file or older version files and install it.
English, 日本語.
83% user give 5-star rating, 17% user give 4-star rating. Read reviews of interval timer
You could find more help information from interval timer support page.
You could send emails to publisher, or check publisher's website.
More about manifest_file of interval timer.
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Quite simple, use it for Lucid Dreaming Reality Checks (If you know you know)
good tool
The app is great! I would like to be able to change the text that appears with the notification.