Chrome Close Lock
Workflow & Planning
Prevent Chrome from closing without warning.
Users
10K
Rating
3.5
Reviews
107
7D Growth
0|0%
Stable signalUnknownMedium-risk permissions
Don't Close Window With Last Tab
Prevent closing of Google Chrome with the last tab, the least intrusive way.
Users50KCurrent public install base
Rating4.0Store average score
Reviews169Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview
3 assetsDon't Close Window With Last Tab Media preview
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7-day rating change
Start
3.98
Latest
3.98
7-day rating change
0.00
2026年7月14日2026年7月20日
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1-day growthNo data
----7-day growthFlat
00%30-day growthNo data
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Version0.11
ManifestV3
Size18.05KiB
Languages1English
Published
Store updated
Last crawled
English
Overview
Product summary
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This extension keeps a single pinned page to prevent closing Chrome when the last tab of the last window is closed (or every window, it's configurable). To keep the tab bar clean (unlike other extensions), the pinned page is inserted only when absolutely necessary. It also handles well cases when tabs are moved between windows.
"Don't Close Window With Last Tab" provides no user interface or interaction for users. It only lets users configure additional configuration in "Options".
This extension is open source, to be found at: https://github.com/moneytoo/DontCloseWindowWithLastTab
Reviews
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Store average score4.0Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average3.8Average computed only from synced review bodies below
Reviews with text113Synced review bodies
Total ratings / reviews169Chrome Web Store public rating/review count
Store average score: 4.0. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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設定画面・使い勝手のシンプルさにこだわったマウスジェスチャの拡張機能です。
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求めてた機能そのものでした。ありがとうございます。 I happy to meet this extension. Thank you very much.
Works perfectly. Prevents Chrome shutting down. Default option is best imo.
not worki
It's sad and frustrating that it takes a brute kludge to make Chrome's close-tab button behave like a close-tab button. This extension is the simplest, cleanest and most reliable I've tried. Kudos.
Работает отлично, разработчикам спасибо!
Not sure why people are saying this works, because it doesn't I opened up a new tab and closed out and it still let me close out without a prompt or anything.
This is the best extension I can find for this purpose. The only thing is that it changes the last closed tab with closing the pinned tab, so "reopen closed tab" would not work. Maybe add an option to let the pinned tab stay open?
This extension is almost perfect. Please add an option to keep open last regular and last incognito window simultaneously. With multiple regular and incognito windows I find myself closing last regular or last incognito window sometimes.
Cause conflict with my other extension, uninstall it and use LAST TAB then everything is fine
Prevents you from accidentally closing the whole browser when you close your tabs.