Tab Unloader Firefox

Tab Unloader

Unload tabs to free up system resources

Features & Capabilities

Tab Unloader is a powerful Chrome extension designed to help you manage browser tabs efficiently by unloading inactive ones to free up system resources. This extension conserves memory and CPU usage, enhancing your overall browsing experience.

With the auto unload feature (disabled by default), you can customize when and how tabs are unloaded. Tab Unloader requires permissions to access tab URLs (to respect your whitelist), modify tab favicons before unloading for visual clarity, and read bookmarks—allowing you to open bookmarks in unloaded tabs seamlessly.

Optimize your browser's performance effortlessly with Tab Unloader's intuitive controls and settings.

User Growth & Download Statistics

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:
Afnan Khan
Firefox Add-ons Store
https://addons.mozilla.org/firefox/addon/tab-unloader-we/
Email:
af*****@outlook.com

User Reviews

Users praise Tab Unloader for reliably unloading tabs, its lightweight UI, clear visual indicators, and helpful options — many prefer it to alternatives. Repeated complaints concern restored tabs: lost URLs/favicons and limited or missing reload/restore controls. Some users also report intermittent malfunctions and worry about slow maintenance/updates.
Pros
  • Reliable tab unloading — many users report it effectively unloads inactive tabs and reduces memory use
  • Simple, lightweight design with a clean UI that integrates well with Firefox
  • Useful options and visual indicators that show which tabs are unloaded
  • Preferred to competing add-ons by several users (better timing/counting of inactivity)
Cons
  • Unloaded tabs can sometimes lose their URL or favicon and become impossible to restore
  • No convenient reload/restore action in the UI (users report difficulty getting tabs back or no auto-reload)
  • Occasional malfunctions reported (users toggling the extension off/on) and concerns about infrequent updates/maintenance
Recent reviews
Works well so far, the five min limit I set for auto unloading tabs works as well!
by Eu*****, 2026-05-27

Recently, especially since yesterday, I've had to turn off and on the extension multiple times because it was malfunctioning. The last update was almost a year ago. When is it going to be updated again?
by Fi*****, 2025-10-25

by je*****, 2025-10-16
View all user reviews ›

Is Tab Unloader 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.

Tab Unloader requires some sensitive permissions that could impact your browser and data security. 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.
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  • Medium ****** ** ********* *** ******* ******** **** **** *********** *** ********* *** ********* ******* *** *****
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.

Tab Unloader 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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Best Tab Unloader Alternatives

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