Who should use Tab Deduper?

Tab Deduper is an open-source project built for web browser users.

Does Tab Deduper have a free plan?

Yes — Tab Deduper is open source under the Open Source license and free to use.

What platforms does Tab Deduper run on?

Tab Deduper runs on the web and embeddable surfaces.

Is Tab Deduper still active?

Unverified. Tab Deduper 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 Tab Deduper?

Similar projects tracked by PulseGate include Tab Duplicator, Dedupe Tabs Pro, and Duplicate Tab.

Who makes Tab Deduper?

Tab Deduper is developed by nosoop.

When did Tab Deduper launch?

Tab Deduper first shipped in 2017.

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Tab Deduper

Name: Tab Deduper
Author: nosoop

github.comBrowser DevTools & extensions

Tab Deduper is an open-source WebExtension that identifies duplicate tabs and helps users clean them up. It is intended for people who accumulate repeated pages during browsing and want to organize their browser windows.

Open SourceWebEmbeddable

Visit github.com

Overview

4 features

Tab Deduper is a Browser DevTools & extensions project. It focuses on removing duplicate browser tabs to reduce clutter and keep browsing sessions organized. It is built as an open-source project for web browser users. Tab Deduper is open source under the Open Source license. It ships for the web and embeddable surfaces.

Behind Tab Deduper is nosoop, and it first shipped in 2017. Among its 4 catalogued features are duplicate tab detection, tab cleanup, and browser extension.

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

Duplicate tab detection
Tab cleanup
Browser extension
Firefox support

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

Indexed13 Sep · 18:19 UTC
Дедупликатор на раздели (Tab Deduper) verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Tab Deduper

What is Tab Deduper?: Tab Deduper focuses on removing duplicate browser tabs to reduce clutter and keep browsing sessions organized. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Tab Deduper?: Tab Deduper is an open-source project built for web browser users.
Does Tab Deduper have a free plan?: Yes — Tab Deduper is open source under the Open Source license and free to use.
What platforms does Tab Deduper run on?: Tab Deduper runs on the web and embeddable surfaces.
Is Tab Deduper still active?: Unverified. Tab Deduper 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 Tab Deduper?: Similar projects tracked by PulseGate include Tab Duplicator, Dedupe Tabs Pro, and Duplicate Tab.Tab Duplicator Dedupe Tabs Pro Duplicate Tab
Who makes Tab Deduper?: Tab Deduper is developed by nosoop.
When did Tab Deduper launch?: Tab Deduper first shipped in 2017.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
First seen: 13 Sep 2026
Built for: web browser users
Model: Open source
Solves: Removing duplicate browser tabs to reduce clutter and keep browsing sessions organized.

Registered as

Firefox Add-ons: tab-deduper

Developer

nosoop

Index record

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

Identity audit (13)

Slug: tab-deduper-github-com
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: 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: 13 Sep 2026
Canonical URL: https://github.com/nosoop/tab-deduper

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