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: 1,212
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
# 262
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spammy, or outdated.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
- Dramatic reduction in memory usage for users with many open tabs
- Helps to free up CPU resources
- User-friendly for those who manage lots of tabs
- Long-term positive experience reported by multiple users
Cons
- Needs to be set each time Firefox starts, which is inconvenient
- Does not always respect user-defined time settings before discarding tabs
- Lacks clear documentation for settings, making it difficult for non-tech users
- Occasional bug where clicking a discarded tab fails to reload the page
Most mentioned
- Issues with tabs not being discarded as per user settings
- Need for better documentation and user interface improvements
- Request for additional features like panic mode and option to save discarded tabs
- Concerns about lack of updates for the extension
User reviews
by Firefox user 12564846, 2025-01-26
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
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