Who is Close Tabs for?

Close Tabs is an open-source project built for firefox users who manage multiple browser tabs.

Yes — Close Tabs is open source under the Open Source license and free to use.

What platforms does Close Tabs run on?

Close Tabs runs on the web and embeddable surfaces.

Is Close Tabs still active?

Unverified. Close Tabs 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 are alternatives to Close Tabs?

Similar projects tracked by PulseGate include Open Tabs Next, Always Right, and Focus On Left Tab After Closing.

Who makes Close Tabs?

Close Tabs is developed by mkopec.

When did Close Tabs launch?

Close Tabs first shipped in 2020.

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Close Tabs

Name: Close Tabs
Author: mkopec

github.comBrowser DevTools & extensions

Close Tabs to the Right is an open-source WebExtension that closes every browser tab positioned to the right of the selected tab. It is intended for Firefox users who want a quick tab-management action.

Open SourceWebEmbeddable

Visit github.com

Overview

4 features

Close Tabs sits in PulseGate's Browser DevTools & extensions category. It focuses on closing multiple tabs to the right of the active tab without manually selecting each one. It is built as an open-source project for firefox users who manage multiple browser tabs. Close Tabs is open source under the Open Source license. It ships for the web and embeddable surfaces.

Behind Close Tabs is mkopec, and it first shipped in 2020. Among its 4 catalogued features are close right-side tabs, selected-tab action, and firefox support.

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

Close right-side tabs
Selected-tab action
Firefox support
WebExtension format

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

License

Open Source

Verified signals

HTTPSPrivacy Policy Terms of ServiceOpen SourceFree tierStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed8 Sept · 16:52 UTC
Close Tabs to the Right verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Close Tabs

What does Close Tabs do?: Close Tabs focuses on closing multiple tabs to the right of the active tab without manually selecting each one. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Close Tabs for?: Close Tabs is an open-source project built for firefox users who manage multiple browser tabs.
Is Close Tabs free?: Yes — Close Tabs is open source under the Open Source license and free to use.
What platforms does Close Tabs run on?: Close Tabs runs on the web and embeddable surfaces.
Is Close Tabs still active?: Unverified. Close Tabs 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 are alternatives to Close Tabs?: Similar projects tracked by PulseGate include Open Tabs Next, Always Right, and Focus On Left Tab After Closing.Open Tabs Next Always Right Focus On Left Tab After Closing
Who makes Close Tabs?: Close Tabs is developed by mkopec.
When did Close Tabs launch?: Close Tabs first shipped in 2020.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
First seen: 8 Sept 2026
Built for: Firefox users who manage multiple browser tabs
Model: Open source
Solves: Closing multiple tabs to the right of the active tab without manually selecting each one.

Registered as

Firefox Add-ons: close-tabs-right

Developer

mkopec

Index record

Indexed: 8 Sept 2026
Lifecycle: Alive
First seen: Sept 2026
Last seen: 8 Sept 2026

Identity audit (13)

Slug: close-tabs-to-the-right-github-com
Lifecycle state recorded: 8 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 8 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: 8 Sept 2026
Canonical URL: https://github.com/mkopec/close-tabs-to-the-right

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