By: Philipp Kewisch
If there are pinned tabs, keep one blank tab open when closing the last normal one. Prevents multiple empty tabs, and has an option to not quit the browser when the last window is closed.
Features & Capabilities
User Growth & Download Statistics
- By:
- Philipp Kewisch
- Daily users:
- 197 -2
- Rating:
- 2.12 (17)
- Version:
- 1.1.1resigned1 Last updated: 2024-04-25
- Version code:
- 5730624
- Creation date:
- 2018-04-04
- Risk:
- Moderate risk impact Moderate risk likelihood
- Permissions:
- Size:
- 11.68KB
- Email:
- mo*****@kewis.ch
- Full description:
- See detailed description
- Source:
- Firefox Add-ons Store
- Data ingested on:
- 2026-07-04
- Compare stats and ranking:
- Don't Close Last Tab vs Don't Close Last Tab
- Don't Close Last Tab vs TabReturn
- Don't Close Last Tab vs Close Last Tab
For Developers
Contact the developer
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User Reviews
This extension works as described, the only solution after last Zen update.
by m4*****, 2025-07-13
by 退出*****, 2025-03-24
by 远离*****, 2025-02-24
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 probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.
Risk likelihood analysis details
- High This extension has low user count. Unpopular extensions may not be stable or safe.
- Medium **** ********* *** *** **** *******
- Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
- Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
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