Stopper
The ultimate stopwatch and timer utility for Chrome OS!
As of May 2026, Stopper has — users and a 2.25/5 rating from 8 reviews.
Usersno change0%
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Ratingno change0%
2.25
8 reviews
Reviewsno change0%
8
Version
1.1.5
Manifest V2
History
3 snapshotsTracking since Apr 1, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 1, 2026 | — | 2.25 | 8 | 1.1.5 |
| Apr 30, 2026 | 2.0K | 2.25 | 8 | 1.1.5 |
| May 27, 2026 | 1.0K | 2.25 | 8 | 1.1.5 |
| Now | — | 2.25 | 8 | 1.1.5 |
Permissions & access
- Permissions
- notifications
- Host access
- None declared
Screenshots
About
Stopper is a timekeeping utility developed for Chromebooks and Chromeboxes using the Google Chrome OS. Features: * NEW! Enter timer time with your keyboard! * NEW! Support for timers up to 999 minutes (16,65 hours). * Keyboard shortcuts! * Stopwatch with lap times and 1/10 seconds. * Countdown timer. * Notification and alarm when countdown is finished. * Timer works when minimized. * Multiple instances can be run simultaneous. * Save times and lap-lists to HTML. * Name your timers/stopwatches. * Completely free! No ads! * 100% offline capable. NEW! in this version (1.1.5, June 5th 2015): * Use the keyboard to enter time for the countdown timer! * Support for timers up to 999 minutes (16,65 hours). * UI adjustments for newest version of Chrome OS. Version history: (1.1.3, Dec 19th 2014): * Keyboard shortcuts: * Ctrl+1: Stopwatch tab. * Ctrl+2: Timer Tab. * Ctrl+3: Options tab. * Ctrl+R: Rename window. * Ctrl+N: New window. * Ctrl+S: Save stopwatch time and lap list. * Ctrl+L: Add lap. (1.1.2, Oct 13th 2014): * Bugfixes. * Bettter handling when createing new windows. * Better saving of HTML-files. * Nicer tabs. (1.1.0, Sept 19th 2014): * Export your times and lap-lists to HTML files. * Run multiple timers and stopwatches simultaneously. * Give each window a custom name by clicking the title. * Other minor improvements to the code. Note: This application is developed and optimized for Google Chrome OS. It should be possible to run it on other operative system through Google Chrome, but it is not officially supported.
Technical
- Version
- 1.1.5
- Manifest
- V2
- Size
- 1.85MiB
- Min Chrome
- 23
- Languages
- 1
- Featured
- No
Metadata
- ID
- nhmgpfpcegcmglalchjbppgcdpdginim
- Developer ID
- u853fb055f9006b98f142f2361b58de10
- Developer Email
- —
- Created
- Sep 1, 2014
- Last Updated (Store)
- Jun 5, 2015
- Last Scraped
- May 27, 2026
- Website
- —
- Support URL
- —
- Privacy Policy
- —
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Data sourced from the Chrome Web Store · last verified May 27, 2026.