Who is Duplicate Tab Shortcut for?

Duplicate Tab Shortcut is an open-source project built for web browser users who frequently duplicate tabs.

What platforms does Duplicate Tab Shortcut run on?

Duplicate Tab Shortcut runs on the web and embeddable surfaces.

Is Duplicate Tab Shortcut still maintained?

Unverified. Duplicate Tab Shortcut 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 Duplicate Tab Shortcut?

Duplicate Tab Shortcut is developed by Stefan Sundin.

When did Duplicate Tab Shortcut launch?

Duplicate Tab Shortcut first shipped in 2016.

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Duplicate Tab Shortcut

Name: Duplicate Tab Shortcut
Author: Stefan Sundin

github.comBrowser DevTools & extensions

Duplicate Tab Shortcut is an open-source browser extension that duplicates the current browser tab using Alt+Shift+D on Windows and Linux or Option+Shift+D on macOS. It is intended for users who want a fast keyboard-based tab workflow.

Open SourceWebEmbeddable

Visit github.com

Overview

5 features

Duplicate Tab Shortcut is a Browser DevTools & extensions project. It focuses on duplicating browser tabs quickly without using the tab context menu or browser controls. Duplicate Tab Shortcut is an open-source project aimed at web browser users who frequently duplicate tabs. Duplicate Tab Shortcut is open source under the Open Source license. It ships for the web and embeddable surfaces.

Behind Duplicate Tab Shortcut is Stefan Sundin, and it first shipped in 2016. Key capabilities include tab duplication, keyboard shortcut, and cross-platform shortcut.

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

Tab duplication
Keyboard shortcut
Cross-platform shortcut
Chrome support
Firefox support

Built with & integrations

Connectors

chrome

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 · 10:38 UTC
Duplicate Tab Shortcut verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Duplicate Tab Shortcut

What is Duplicate Tab Shortcut?: Duplicate Tab Shortcut focuses on duplicating browser tabs quickly without using the tab context menu or browser controls. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Duplicate Tab Shortcut for?: Duplicate Tab Shortcut is an open-source project built for web browser users who frequently duplicate tabs.
Does Duplicate Tab Shortcut have a free plan?: Yes — Duplicate Tab Shortcut is open source under the Open Source license and free to use.
What platforms does Duplicate Tab Shortcut run on?: Duplicate Tab Shortcut runs on the web and embeddable surfaces.
Is Duplicate Tab Shortcut still maintained?: Unverified. Duplicate Tab Shortcut 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 Duplicate Tab Shortcut?: Duplicate Tab Shortcut is developed by Stefan Sundin.
When did Duplicate Tab Shortcut launch?: Duplicate Tab Shortcut first shipped in 2016.
Is Duplicate Tab Shortcut open source?: Yes — Duplicate Tab Shortcut is open source under the Open Source license.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
First seen: 8 Sept 2026
Built for: web browser users who frequently duplicate tabs
Model: Open source
Solves: Duplicating browser tabs quickly without using the tab context menu or browser controls.

Registered as

Firefox Add-ons: duplicate-tab-shortcut

Developer

Stefan Sundin

Index record

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

Identity audit (13)

Slug: duplicate-tab-shortcut-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: Written by a language model from the project's public pages.
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/stefansundin/duplicate-tab

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