Window Merger

Name: Window Merger
Rating: 5 (13 reviews)
Author: Martijn

Merge specified browser windows into each other. Or all of them into one. Simply right click to open Firefox’s context menu when multiple windows are open, or configure a keyboard shortcut. All wrapped up in one tiny free extension.

Window Merger: A Firefox Add-On for Window Merging

Window Merger is a streamlined Firefox add-on dedicated to merging browser windows. It provides the flexibility to merge all open windows or selected ones, using right-click context menu or keyboard shortcuts. Additionally, Window Merger is compatible with Private Windows, maintaining your privacy by keeping private and normal windows separate. Its preferences screen integrates seamlessly within the browser's Extensions page, fully supporting dark mode. Great for all users, especially those who prefer keyboard functionality and want an organized browsing environment.

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Add-on stats

By: Martijn

Daily users: 805

-3

Rating: 5.00

(13)

Version: 0.6.0 (Last updated: 2020-12-25)

Version code: 5155360

Creation date: 2019-08-31

Weekly download count: 12

Firefox on Android: No

Risk:

Permissions:

tabs
menus
storage

Size: 12.68K

URLs: Website

Full description: See detailed description

Source: Firefox Browser Add-ons

Ranking

# 3,594 ▲ 1

Other rankings

#357 in Tabs ▲ 2 #17 in ctrl+m (windows) keyword 48 #24 in windows keyword 75 #31 in member keyword 47 ▲ 2 #74 in configure keyword 6 ▼ 10

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

Works great and is exactly what I needed.
This is awesomely slim and works fast, especially with keyboard shortcuts.
Perfect for users with many tabs; can combine similar ones easily.
Simple and effective, specifically designed to merge two windows.

Cons

Some users have difficulty finding the options or button in the browser.
Confusion regarding functionality and usage instructions.
An unclear installation or integration process, as some users can't locate it after installation.

Most mentioned

Works great and is effective for merging windows.
Users appreciate the simplicity and speed of the add-on.
Some users experienced difficulty finding and understanding how to use it.

User reviews

by 天灭中共退党团队保平安, 2025-03-05

by Sage Betko, 2024-08-13

by Firefox user 18135957, 2024-05-04

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Add-on safety

Risk impact

Window Merger 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.
Low ******* ****** ** *** ********* ********

Risk likelihood

Window Merger 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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