Who is Tab Grouper for?

Tab Grouper is a consumer product built for firefox users who manage multiple tabs.

Does Tab Grouper have a free plan?

Yes — Tab Grouper is free to use.

What platforms does Tab Grouper run on?

Tab Grouper runs on the web, embeddable surfaces, and Android.

Is Tab Grouper still maintained?

Unverified. Tab Grouper 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 Tab Grouper?

Similar projects tracked by PulseGate include Tab Grouper, Tab Group Syncer, and Groups 'On the Bar'.

Who develops Tab Grouper?

Tab Grouper is developed by Sumalya Chatterjee.

When did Tab Grouper launch?

Tab Grouper first shipped in 2025.

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Tab Grouper

Name: Tab Grouper
Author: Sumalya Chatterjee

mozilla.orgBrowser DevTools & extensions

Tab Grouper is a Firefox extension that lets users create custom tab groups and open related tabs together in dedicated windows. It is designed for people managing research topics, projects, and large numbers of open tabs.

FreeWebEmbeddableAndroid

Visit mozilla.org

Overview

6 features

In the Browser DevTools & extensions space, Tab Grouper takes a focused approach. It focuses on organizing many open browser tabs into manageable groups for research, work, and browsing. Tab Grouper is a consumer product aimed at firefox users who manage multiple tabs. Tab Grouper costs nothing to use. It runs on the web, embeddable surfaces, and Android.

It is developed by Sumalya Chatterjee, and it first shipped in 2025. Key capabilities include custom tab groups, one-click group opening, and tab assignment. The interface is available in 32 languages, including Czech, German, and Greek.

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

Custom tab groups
One-click group opening
Tab assignment
Project organization
Research organization
Dark interface

Built with & integrations

Runs on

BrowserEmbeddableAndroid

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed9 Sept · 15:10 UTC
Tab Grouper - Group Every Open Tabs verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Tab Grouper

What is Tab Grouper?: Tab Grouper focuses on organizing many open browser tabs into manageable groups for research, work, and browsing. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Tab Grouper for?: Tab Grouper is a consumer product built for firefox users who manage multiple tabs.
Does Tab Grouper have a free plan?: Yes — Tab Grouper is free to use.
What platforms does Tab Grouper run on?: Tab Grouper runs on the web, embeddable surfaces, and Android.
Is Tab Grouper still maintained?: Unverified. Tab Grouper 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 Tab Grouper?: Similar projects tracked by PulseGate include Tab Grouper, Tab Group Syncer, and Groups 'On the Bar'.Tab Grouper Tab Group Syncer Groups 'On the Bar'
Who develops Tab Grouper?: Tab Grouper is developed by Sumalya Chatterjee.
When did Tab Grouper launch?: Tab Grouper first shipped in 2025.

At a glance

Pricing: Free
Platforms: Web
Built for: Firefox users who manage multiple tabs
Model: B2C
Solves: Organizing many open browser tabs into manageable groups for research, work, and browsing.

Registered as

Firefox Add-ons: group-open-tabs

Developer

Sumalya Chatterjee

Index record

Indexed: 9 Sept 2026
Lifecycle: Alive
Last seen: 9 Sept 2026

Identity audit (13)

Slug: tab-grouper-group-every-open-tabs-mozilla-org
Lifecycle state recorded: 9 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 9 Sept 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
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: 9 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/group-open-tabs

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