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.
Manifest V2
- By:
- jscher2000
- 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
- Email:
- js*****@outlook.com
- URLs:
- Website
- Full description:
- See detailed description
- Source:
- Firefox Browser Add-ons
- Updated:
- a day ago
User reviews
by 远离中共邪教快退出党团队, 2025-04-17
by 全民三退解体中共邪教, 2025-03-12
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
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 **** ********* *** **** **** *******
Upgrade to see full risk analysis details
Instantly check and monitor your browser extensions' risks and permissions with
Extension Guard.
Similar add-ons
Here are some Firefox add-ons that are similar to Prevent Closing Window:
