Prevent Closing Window

Displays the "Leave Page" prompt to avoid accidentally closing the current window. **BUG** To allow Firefox to shut down, click Stay on page and the Close This Tab button before you exit.
Prevent Closing Window is a Firefox add-on that adds a tab to regular and private windows, prompting for approval before closing the window when clicking the X button.
Manifest V2
Daily users:
59
Version:
1.0 (Last updated: 2020-09-19)
Version code:
5101388
Creation date:
2019-01-05
Permissions:
  • menus
  • tabs
  • storage
Size:
42.70K
URLs:
Website
Full description:
See detailed description
Updated:
a day ago

User reviews



The Extension Works But It's Annoying That The Tab Auto Opens In The Startup And When You Open A New Tab In A Second Window
by Seikikai, 2024-05-29
View all user reviews

Extension safety

Risk impact

Prevent Closing Window requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details
  • Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
Risk likelihood

Prevent Closing Window has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* *** **** **** *******
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