Firefox Browser Add-ons
  • Extensions
  • Themes
    • for Firefox
    • Dictionaries & Language Packs
    • Other Browser Sites
    • Add-ons for Android
Log in
Preview of CleanTabs

CleanTabs by Matthias Hübner

Unload inactive tabs to free up memory

5 (1 reviews)5 (1 reviews)
20 Users20 Users
You’ll need Firefox to use this extension
Download Firefox and get the extension
Download file

Extension Metadata

About this extension
CleanTabs - Free up memory with a single click
Is Firefox running slow due to too many open tabs eating up your memory? TabCleaner solves this problem instantly!
How it works:

Click the trash icon in your browser toolbar to free up memory from inactive tabs
Your tabs stay open and reload when you need them
Simple and effective - no complex configuration needed

Perfect for:

Power users with many open tabs
Laptops and PCs with limited RAM
Anyone who wants to keep Firefox fast and responsive

Install, click, done - boost your browser's performance today!
Rated 5 by 1 reviewer
Sign in to rate this extension
There are no ratings yet

Star rating saved

5
1
4
0
3
0
2
0
1
0
Read 1 review
Permissions and dataLearn more

Required permissions:

  • Access browser tabs
More information
Add-on Links
  • Homepage
  • Support site
  • Support Email
Version
1.2
Size
12.69 KB
Last updated
15 days ago (Aug 15, 2025)
Related Categories
  • Tabs
License
Mozilla Public License 2.0
Version History
  • See all versions
Add to collection
Report this add-on
Support this developer

The developer of this extension asks that you help support its continued development by making a small contribution.

Contribute now

Release notes for 1.2
Added a badge displayed on the extension icon to indicate the number of cleaned tabs.
More extensions by Matthias Hübner
  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

Go to Mozilla’s homepage

Add-ons

  • About
  • Firefox Add-ons Blog
  • Extension Workshop
  • Developer Hub
  • Developer Policies
  • Community Blog
  • Forum
  • Report a bug
  • Review Guide

Browsers

  • Desktop
  • Mobile
  • Enterprise

Products

  • Browsers
  • VPN
  • Relay
  • Monitor
  • Pocket
  • Bluesky (@firefox.com)
  • Instagram (Firefox)
  • YouTube (firefoxchannel)
  • Privacy
  • Cookies
  • Legal

Except where otherwise noted, content on this site is licensed under the Creative Commons Attribution Share-Alike License v3.0 or any later version.