Who should use Firefox web extension?

Firefox web extension is a consumer product built for firefox users.

Does Firefox web extension have a free plan?

Yes — Firefox web extension is free to use.

What platforms does Firefox web extension run on?

Firefox web extension runs on the web and embeddable surfaces.

Is Firefox web extension still active?

Unverified. Firefox web extension 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.

Who makes Firefox web extension?

Firefox web extension is developed by jsmnbom.

When did Firefox web extension launch?

Firefox web extension first shipped in 2017.

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Firefox web extension

Name: Firefox web extension
Author: jsmnbom

github.comBrowser DevTools & extensions

Back to Close WE is a Firefox web extension that lets users close newly opened tabs with the browser back button. It is intended for Firefox users who want simpler tab navigation and cleanup.

FreeWebEmbeddable

Visit github.com

Overview

3 features

Firefox web extension is a Browser DevTools & extensions project. It focuses on closing newly opened browser tabs without manually switching to and closing each tab. Firefox web extension is a consumer product aimed at firefox users. Firefox web extension costs nothing to use. It runs on the web and embeddable surfaces.

Behind Firefox web extension is jsmnbom, and it first shipped in 2017. Key capabilities include back-button closing, new-tab closing, and firefox integration.

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

Back-button closing
New-tab closing
Firefox integration

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed10 Sept · 00:28 UTC
Back to Close WE verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Firefox web extension

What is Firefox web extension?: Firefox web extension focuses on closing newly opened browser tabs without manually switching to and closing each tab. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Firefox web extension?: Firefox web extension is a consumer product built for firefox users.
Does Firefox web extension have a free plan?: Yes — Firefox web extension is free to use.
What platforms does Firefox web extension run on?: Firefox web extension runs on the web and embeddable surfaces.
Is Firefox web extension still active?: Unverified. Firefox web extension 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.
Who makes Firefox web extension?: Firefox web extension is developed by jsmnbom.
When did Firefox web extension launch?: Firefox web extension first shipped in 2017.

At a glance

Pricing: Free
Platforms: Web
Languages: English
First seen: 10 Sept 2026
Built for: Firefox users
Model: B2C
Solves: Closing newly opened browser tabs without manually switching to and closing each tab.

Registered as

Firefox Add-ons: back-to-close-we

Developer

jsmnbom

Index record

Indexed: 10 Sept 2026
Lifecycle: Alive
First seen: Sept 2026
Last seen: 10 Sept 2026

Identity audit (13)

Slug: back-to-close-we-github-com
Lifecycle state recorded: 10 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 10 Sept 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: 10 Sept 2026
Canonical URL: https://github.com/jsmnbom/back2close

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