New Tab Suspender Firefox

New Tab Suspender

A very lightweight tab suspender to suspend inactive tabs that reduces an overall memory usage of Firefox, uses a Firefox native discard API

Features & Capabilities

New Tab Suspender is a lightweight Chrome extension designed to help you manage your browser's memory usage efficiently. It automatically suspends inactive tabs after a customizable timeout period, freeing up system resources and keeping your browser running smoothly.

Utilizing native discard APIs similar to Firefox, New Tab Suspender ensures seamless performance without heavy overhead. The extension offers localization support in multiple languages, including English, Hindi, Spanish, Russian, and French, making it accessible to a global audience.

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:
Pradeep Mishra
Firefox Add-ons Store
https://addons.mozilla.org/firefox/addon/new-tab-suspender/
Email:
pr*****@gmail.com

User Reviews

Users widely praise the add-on for dramatically reducing memory/CPU usage by suspending inactive tabs and for reliable core features (timer, whitelist, ignore) that preserve tab context and reactivation. It works well on low-RAM systems and is generally simple to configure. However, multiple reviews call out UI discoverability issues and lack of basic setup instructions, as well as problems with per-tab exception handling and the absence of export/import or browser-sync for backing up settings.
Pros
  • Substantially reduces CPU and memory usage by suspending inactive tabs.
  • Core features like timer control, whitelist, and ignore lists work reliably and are easy to configure.
  • Automatically suspends inactive tabs while preserving context, and reactivates on click from where you left off.
  • Very effective on low-RAM systems, enabling suspending many tabs without bogging down the browser.
  • Simple and clear to control/configure once you understand the basic controls.
Cons
  • UI/controls are not obvious to find and basic setup information or instructions are missing, making initial use confusing.
  • Per-tab 'Don't suspend this tab' option is hard to see/manage and is not reliably working for all tabs.
  • No export/import, backup, or browser-synced settings, making it hard to transfer or safeguard configurations.
Recent reviews
by Da*****, 2026-05-03

I cannot for the life of me figure out where the controls are? as shown in the screenshots ! I'm sure its simple but would someone post how to here for ppl like me? TY
by Fi*****, 2026-03-19

by th*****, 2026-03-04
View all user reviews ›

Is New Tab Suspender 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.

New Tab Suspender 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.

New Tab Suspender 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 New Tab Suspender Alternatives

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