What is Tabs manager?

Tabs manager focuses on managing large numbers of open Firefox tabs and identifying duplicate tabs. It is catalogued under Browser DevTools & extensions on PulseGate.

Who is Tabs manager for?

Tabs manager is a consumer product built for firefox users with many open tabs.

Does Tabs manager have a free plan?

Yes — Tabs manager is free to use.

What platforms does Tabs manager run on?

Tabs manager runs on the web and embeddable surfaces.

Is Tabs manager still maintained?

Unverified. Tabs manager 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 Tabs manager?

Similar projects tracked by PulseGate include Tab manager, Tab Manager, and Sorted Tabs.

Who develops Tabs manager?

Tabs manager is developed by François Gueguen.

How long has Tabs manager been around?

Tabs manager first shipped in 2017.

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Tabs manager

Name: Tabs manager
Author: François Gueguen

mozilla.orgBrowser DevTools & extensions

Tabs manager is a Firefox browser extension that helps users organize open tabs by title or URL and identify potential duplicates. It compares tab URLs and titles, distinguishing exact matches from possible duplicates with URL parameters or anchors.

FreeWebEmbeddable

Visit mozilla.org

1alternative

6features

2017since

Overview

6 features

Tabs manager is a Browser DevTools & extensions project. It focuses on managing large numbers of open Firefox tabs and identifying duplicate tabs. Tabs manager is a consumer product aimed at firefox users with many open tabs. Tabs manager is free to use. It ships for the web and embeddable surfaces.

It is developed by François Gueguen, and it first shipped in 2017. Key capabilities include tab sorting, URL sorting, and duplicate detection. The interface is available in 32 languages, including Czech, German, and Greek.

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

Tab sorting
URL sorting
Duplicate detection
Exact URL matching
Potential duplicate matching
Tab closing

Built with & integrations

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

Indexed11 Sep · 18:04 UTC
Tabs manager verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Tabs manager

What is Tabs manager?: Tabs manager focuses on managing large numbers of open Firefox tabs and identifying duplicate tabs. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Tabs manager for?: Tabs manager is a consumer product built for firefox users with many open tabs.
Does Tabs manager have a free plan?: Yes — Tabs manager is free to use.
What platforms does Tabs manager run on?: Tabs manager runs on the web and embeddable surfaces.
Is Tabs manager still maintained?: Unverified. Tabs manager 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 Tabs manager?: Similar projects tracked by PulseGate include Tab manager, Tab Manager, and Sorted Tabs.Tab manager Tab Manager Sorted Tabs
Who develops Tabs manager?: Tabs manager is developed by François Gueguen.
How long has Tabs manager been around?: Tabs manager first shipped in 2017.

At a glance

Pricing: Free
Platforms: Web
First seen: 11 Sep 2026
Built for: Firefox users with many open tabs
Model: B2C
Solves: Managing large numbers of open Firefox tabs and identifying duplicate tabs.

Registered as

Firefox Add-ons: duplicated-tabs-manager

Developer

François Gueguen

Index record

Indexed: 11 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 11 Sep 2026

Identity audit (13)

Slug: tabs-manager-mozilla-org
Lifecycle state recorded: 11 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 11 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: 11 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/duplicated-tabs-manager

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