Auto Tab Discard
Increase browser speed and reduce memory load and when you have numerous open tabs.
Auto Tab Discard Add-On for Firefox | Boost Browser Performance
"Auto Tab Discard" is a Firefox add-on designed to improve browser performance and conserve memory. It does this by managing inactive tabs, reducing their memory usage. Key features include automatic or manual discarding of idle tabs, preservation of the discarded state after browser restarts, and a clear system for indicating the state of tabs. This extension provides various options for determining when tabs should be discarded, such as when they are pinned or are playing media.
Add-on stats
Weekly download count: 1,291
Firefox on Android: No
Risk impact: Moderate risk impact 
Risk likelihood:
Manifest version: 2
Permissions:
- idle
- storage
- contextMenus
- notifications
- alarms
- *://*/*
Size: 162.80K
URLs: Website
Ranking
# 263 ▼ 1
Other platforms
Not available on Android
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Add-on summary
"Auto Tab Discard" is a lightweight browser extension that automatically reduces the amount of memory used by open but inactive tabs, helping to conserve battery life on portable devices by disabling JavaScript code and DOM events on discarded tabs.
Preview:
https://www.youtube.com/watch?v=ityhxUPp3y8
Instruction:
There are two options on the extension's interface to either discard tabs or release discarding (the "x" buttons)
The features of "Auto Tab Discard" are:
- Improves browser performance and reduces memory usage by automatically or manually discarding inactive, idle, or forgotten tabs.
- Includes a list of hostnames or regular expressions that can be excluded from auto-discarding.
User reviews
These summaries are automatically generated weekly using AI based on recent user reviews.
Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate,
spammy, or outdated. Pros
- Effectively reduces memory and CPU usage for users with many open tabs
- Simple to use after initial setup, with positive user experiences noted
- Impressive performance even with hundreds of tabs open, maintaining stable memory usage
- Great for power users who manage multiple tabs, significantly improving browsing experience
Cons
- Requires setup each time Firefox is started, which some users find inconvenient
- Occasionally does not respect user-defined timing for discarding tabs
- Lacks comprehensive documentation for settings, making it challenging for non-techie users
- Bug where abandoned tabs fail to load if clicked immediately after discarding
Most mentioned
- The extension dramatically improves memory efficiency for heavy tab users
- Users appreciate the ability to suspend tabs to free up resources
- Some features and settings are seen as complex or lacking clear documentation
- Concerns regarding the lack of updates to the extension
User reviews
by Ugarov, 2025-01-22
---TO THE DEVELOPER:
CHECK THE 1 STAR REVIEWS, AS IT SEEMS THAT THIS ADDON DOES NOT WORK AS IT SHOULD?
by Firefox user 15037318, 2025-01-18
by voskresenie, 2025-01-16
Add-on safety
Risk impact
Auto Tab Discard requires a few sensitive permissions. Exercise caution before installing.
Risk likelihood
Auto Tab Discard has earned a good reputation and can be trusted.
Upgrade to see risk analysis details