What is Tab Countdown Timer?

Tab Countdown Timer is a Chrome extension developed by lokico, and its main feature is "A Chromium Extension that allows you to set a timer that counts down and then closes the tab.".

Extension Screenshots

Download Tab Countdown Timer Extension CRX File

Download Tab Countdown Timer extension files in crx format, manually install Chrome extensions in the browser, or share the crx files with friends to easily install Chrome extensions.

Extension Usage Instructions

Allows you to quickly set a countdown timer on a tab. Once the timer expires, the tab closes. Every tab can have a different timer. Enter time by typing or by using a mousewheel.
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Changes for v1.1
- Add dark mode based on current system settings
- Save last alarm values as default for next time
- Update to chrome manifest v3

Extension Basic Information

Name	Tab Countdown Timer
ID	maoljenpfpdblggdbnhmegofbhhcdgle
Official URL	https://chromewebstore.google.com/detail/tab-countdown-timer/maoljenpfpdblggdbnhmegofbhhcdgle
Description	A Chromium Extension that allows you to set a timer that counts down and then closes the tab.
File Size	101 KB
Installation Count	6,368
Current Version	1.1
Last Updated	2022-11-12
Publish Date	2020-08-06
Rating	4.29/5 Total 14 Ratings
Developer	lokico
Email	[email protected]
Payment Type	free
Supported Languages	en-US
manifest.json
{ "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx", "name": "Tab Countdown Timer", "version": "1.1", "manifest_version": 3, "description": "A Chromium Extension that allows you to set a timer that counts down and then closes the tab.", "icons": { "16": "icons\/hourglass16.png", "32": "icons\/hourglass32.png", "48": "icons\/hourglass48.png", "128": "icons\/hourglass128.png" }, "action": { "default_popup": "popup\/popup.html" }, "background": { "service_worker": "background\/background.js" }, "permissions": [ "alarms", "storage" ], "content_security_policy": { "extension_pages": "script-src 'self'; object-src 'self'" } }