Don't Close Last Tab Firefox

Don't Close Last Tab

Automatically opens a new tab when you close the last tab in a Firefox window, preventing accidental window closure

Features & Capabilities

Prevents accidental window closure by automatically opening a new tab when you close the last tab. This extension adds a pinned guard tab that appears when you have only one tab remaining, ensuring your window stays open even if you close that last tab.

Features:

  • Automatically creates a new tab when the last tab is closed
  • Uses a pinned guard tab that's unobtrusive
  • Works with multiple windows independently
  • Minimal permissions required (tabs only)

User Growth & Download Statistics

Manifest V3 Add-on
By:
Prayōgaśāla
Daily users:
3 1
Version:
1.0.0 Last updated: 2026-05-04
Version code:
6243474
Creation date:
2026-05-01
Risk:
Moderate risk impact High risk likelihood
Permissions:
Size:
66.91KB
Email:
ep*****@gmail.com
Full description:
See detailed description
Source:
Firefox Add-ons Store
Data ingested on:
2026-06-03
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.
Developed by:
Prayōgaśāla
Firefox Add-ons Store
https://addons.mozilla.org/firefox/addon/don-t-close-last-tab/
Email:
ep*****@gmail.com

Is Don't Close Last Tab Safe?

Risk impact
Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Don't Close Last Tab 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
Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

Don't Close Last Tab is recently added, and hasn't been around long enough for us to gather enough data to accurately assess its risk level.

Risk likelihood analysis details
  • High This extension was recently updated in the past month. New updates may not be stable or safe.
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  • Medium **** ********* *** ***** ** *** **** * ******* *** ********** *** *** ** ****** ** *****
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