Duplicate Tabs Closer

Name: Duplicate Tabs Closer
Rating: 4.5 (4 reviews)
Author: matetoes

Enabling active mode on this add-on prevents duplicate tabs from being opened. Enabling passive mode on this add-on allows you to view the duplicate tabs in the popup UI and close the ones you don't want.

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Features & Capabilities

Duplicate Tabs Closer is a powerful Chrome extension designed to help you manage duplicate tabs efficiently. It offers two main modes: an active mode that automatically closes duplicate tabs as they open, and a passive mode that allows users to view duplicates in a popup interface where they can manually close unwanted tabs.

The extension comes with a variety of customizable options such as prioritizing which duplicate tab to keep (older, newer, pinned, HTTPS), whitelist management, and the ability to ignore URL components like hash, search, or path for more flexible duplicate detection. Users can set the scope to monitor duplicates within the active window or across all browser windows. Convenient hotkeys such as Alt+Shift+W to close all duplicates and Alt+Shift+D to toggle auto-closing streamline tab management. This forked version also adds the Alt+Shift+D shortcut for toggling auto-close mode, enhancing usability for power users.

User Growth & Download Statistics

Add-on

By:

Daily users:

Rating:

Version:

3.6.1 Last updated: 2022-05-04

Version code:

5399742

Creation date:

2022-05-02

Risk:

Permissions:

cookies
tabs
webNavigation
storage
contextualIdentities

Size:

649.99KB

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-07-11

Compare stats and ranking:

Ranking

# 12,383 ▼ 143

Other rankings

#79 in close keyword 21 ▲ 1#175 in education keyword 7 ▼ 4#195 in catalog keyword 8 ▼ 3#198 in education keyword 7 ▼ 4#210 in category keyword 30 ▼ 6

For Developers

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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:

matetoes

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/duplicate-tabs-closer-updated/

User Reviews

by Fi*****, 2025-01-30

Exceptional extension, full of options. It can check the container of each tab, if wanted, so there's no risk of closing tabs with the same URL, but with different credentials. It can search for duplicates in different windows. It lists the duplicates in a pop-up dialogue, so individual tabs may be closed. It has an option to compare titles, instead of URL, which is not so useful (instead, it could compare both URL plus title for a match, skipping some Pages which use cookies, local storage and other data bases to manage states, without relying on URL...)

by Cy*****, 2024-09-24

by ha*****, 2023-10-03

View all user reviews ›

Is Duplicate Tabs Closer 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.

Duplicate Tabs Closer 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.
High ****** ********* ** * ****** ******** ******** ********** * ******* ******* *****

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.

Duplicate Tabs Closer 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 **** ********* *** **** **** *******