What platforms does Unclone run on?

Unclone runs on the web and embeddable surfaces.

Is Unclone still active?

Unverified. Unclone 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 Unclone?

Similar projects tracked by PulseGate include Duplicate Tab Closer, Duplicate Tab Closer, and Duplicate Tab.

Who develops Unclone?

Unclone is developed by dclabs.

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Unclone

Name: Unclone
Author: dclabs

mozilla.orgBrowser DevTools & extensions

Unclone is a Firefox extension that identifies duplicate tabs using configurable URL comparison levels: authority, path, or query. It lets users review what is being matched, choose which copy remains, close duplicates, and undo changes without network requests or tracking.

FreeWebEmbeddableCloud-managed

Visit mozilla.org

Overview

9 features

In the Browser DevTools & extensions space, Unclone takes a focused approach. It focuses on reducing clutter from duplicate browser tabs without accidentally closing the wrong page. It is built as a consumer product for firefox users with crowded tab bars. Unclone is free to use. It runs on the web and embeddable surfaces.

dclabs builds and maintains Unclone, and it first shipped in 2026. Among its 9 catalogued features are duplicate detection, authority matching, and path matching. The interface is available in 32 languages, including Czech, German, and Greek.

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

Duplicate detection
Authority matching
Path matching
Query matching
Tab closing
Undo actions
Match highlighting
No tracking
Offline operation

Built with & integrations

Runs on

BrowserEmbeddableCloud-managed

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed13 Sep · 01:48 UTC
Unclone — Duplicate Tab Manager verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Unclone

What is Unclone?: Unclone focuses on reducing clutter from duplicate browser tabs without accidentally closing the wrong page. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Unclone for?: Unclone is a consumer product built for firefox users with crowded tab bars.
Is Unclone free?: Yes — Unclone is free to use.
What platforms does Unclone run on?: Unclone runs on the web and embeddable surfaces.
Is Unclone still active?: Unverified. Unclone 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 Unclone?: Similar projects tracked by PulseGate include Duplicate Tab Closer, Duplicate Tab Closer, and Duplicate Tab.Duplicate Tab Closer Duplicate Tab Closer Duplicate Tab
Who develops Unclone?: Unclone is developed by dclabs.
How long has Unclone been around?: Unclone first shipped in 2026.

At a glance

Pricing: Free
Platforms: Web
First seen: 13 Sep 2026
Built for: Firefox users with crowded tab bars
Model: B2C
Solves: Reducing clutter from duplicate browser tabs without accidentally closing the wrong page.

Registered as

Firefox Add-ons: unclone-duplicate-tab-manager

Developer

dclabs

Index record

Indexed: 13 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 13 Sep 2026

Identity audit (13)

Slug: unclone-duplicate-tab-manager-mozilla-org
Lifecycle state recorded: 13 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 13 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: 13 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/unclone-duplicate-tab-manager

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