Who is Close All Windows for?

Close All Windows is a consumer product built for firefox users who manage multiple browser windows.

Does Close All Windows have a free plan?

Yes — Close All Windows is free to use.

What platforms does Close All Windows run on?

Close All Windows runs on the web and embeddable surfaces.

Is Close All Windows still active?

Unverified. Close All Windows has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What projects are similar to Close All Windows?

Similar projects tracked by PulseGate include Close Other Windows, Close Window Button, and Close Window Button.

Who makes Close All Windows?

Close All Windows is developed by Johannes Choo.

When did Close All Windows launch?

Close All Windows first shipped in 2018.

Back to the index

Close All Windows

Name: Close All Windows
Author: Johannes Choo

mozilla.orgBrowser DevTools & extensions

Close All Windows is a Firefox browser extension that closes all open Firefox windows when a configurable keyboard shortcut is pressed. It is intended for users who want a quick way to manage and dismiss multiple browser windows.

FreeWebEmbeddable

Visit mozilla.org

Overview

4 features

In the Browser DevTools & extensions space, Close All Windows takes a focused approach. It focuses on closing multiple Firefox windows manually when a single keyboard shortcut would be faster. Close All Windows is a consumer product aimed at firefox users who manage multiple browser windows. Close All Windows is free to use. It ships for the web and embeddable surfaces.

Johannes Choo builds and maintains Close All Windows, and it first shipped in 2018. Among its 4 catalogued features are close all windows, keyboard shortcut, and configurable shortcut. The interface is available in 32 languages, including Czech, German, and Greek.

Summary written by a language model from the project’s public pages.

Close all windows
Keyboard shortcut
Configurable shortcut
Firefox integration

Built with & integrations

Connectors

chrome

Runs on

BrowserEmbeddable

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed18 Sep · 07:05 UTC
Close All Windows verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Close All Windows

What is Close All Windows?: Close All Windows focuses on closing multiple Firefox windows manually when a single keyboard shortcut would be faster. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Close All Windows for?: Close All Windows is a consumer product built for firefox users who manage multiple browser windows.
Does Close All Windows have a free plan?: Yes — Close All Windows is free to use.
What platforms does Close All Windows run on?: Close All Windows runs on the web and embeddable surfaces.
Is Close All Windows still active?: Unverified. Close All Windows has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to Close All Windows?: Similar projects tracked by PulseGate include Close Other Windows, Close Window Button, and Close Window Button.Close Other Windows Close Window Button Close Window Button
Who makes Close All Windows?: Close All Windows is developed by Johannes Choo.
When did Close All Windows launch?: Close All Windows first shipped in 2018.

At a glance

Pricing: Free
Platforms: Web
First seen: 18 Sep 2026
Built for: Firefox users who manage multiple browser windows
Model: B2C
Solves: Closing multiple Firefox windows manually when a single keyboard shortcut would be faster.

Registered as

Firefox Add-ons: close-all-windows

Developer

Johannes Choo

Index record

Indexed: 18 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 18 Sep 2026

Identity audit (13)

Slug: close-all-windows-mozilla-org
Lifecycle state recorded: 18 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 18 Sep 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 18 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/close-all-windows

Ship this? Send a correction — no account, and you get a link to follow it.

Similar projects

Closest matches by what these projects do