What is Tab Uncloser?

Tab Uncloser focuses on recovering accidentally closed Firefox tabs without navigating browser history. It is catalogued under Browser DevTools & extensions on PulseGate.

Who is Tab Uncloser for?

Tab Uncloser is an open-source project built for firefox users who frequently close tabs accidentally.

Does Tab Uncloser have a free plan?

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

What platforms does Tab Uncloser run on?

Tab Uncloser runs on the web, embeddable surfaces, macOS, Windows, and Linux.

Is Tab Uncloser still active?

Unverified. Tab Uncloser 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 Uncloser?

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

Who makes Tab Uncloser?

Tab Uncloser is developed by MetroWind.

When did Tab Uncloser launch?

Tab Uncloser first shipped in 2018.

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Tab Uncloser

Name: Tab Uncloser
Author: MetroWind

github.comBrowser DevTools & extensions

Tab Uncloser is an open-source Firefox extension for reopening recently closed tabs. It provides a customizable keyboard shortcut so users can restore tabs quickly after accidental closure.

Open SourceWebEmbeddablemacOSWindowsLinux

Visit github.com

1alternative

3features

2018since

Overview

3 features

Tab Uncloser is a Browser DevTools & extensions project. It focuses on recovering accidentally closed Firefox tabs without navigating browser history. Tab Uncloser is an open-source project aimed at firefox users who frequently close tabs accidentally. The project is open source (Open Source). It ships for the web, embeddable surfaces, macOS, Windows, and Linux.

Behind Tab Uncloser is MetroWind, and it first shipped in 2018. Key capabilities include closed-tab recovery, custom keyboard shortcut, and firefox integration.

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

Closed-tab recovery
Custom keyboard shortcut
Firefox integration

Built with & integrations

Runs on

BrowserEmbeddablemacOSWindowsLinux

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

Indexed14 Sep · 11:12 UTC
Tab Uncloser verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Tab Uncloser

What is Tab Uncloser?: Tab Uncloser focuses on recovering accidentally closed Firefox tabs without navigating browser history. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Tab Uncloser for?: Tab Uncloser is an open-source project built for firefox users who frequently close tabs accidentally.
Does Tab Uncloser have a free plan?: Yes — Tab Uncloser is open source under the Open Source license and free to use.
What platforms does Tab Uncloser run on?: Tab Uncloser runs on the web, embeddable surfaces, macOS, Windows, and Linux.
Is Tab Uncloser still active?: Unverified. Tab Uncloser 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 Uncloser?: Similar projects tracked by PulseGate include Undo Close Tab, Duplicate Tab Closer, and Duplicate Tab Closer.Undo Close Tab Duplicate Tab Closer Duplicate Tab Closer
Who makes Tab Uncloser?: Tab Uncloser is developed by MetroWind.
When did Tab Uncloser launch?: Tab Uncloser first shipped in 2018.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
First seen: 14 Sep 2026
Built for: Firefox users who frequently close tabs accidentally
Model: Open source
Solves: Recovering accidentally closed Firefox tabs without navigating browser history.

Registered as

Firefox Add-ons: tab-uncloser

Developer

MetroWind

Index record

Indexed: 14 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 14 Sep 2026

Identity audit (13)

Slug: tab-uncloser-github-com
Lifecycle state recorded: 14 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 14 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: 14 Sep 2026
Canonical URL: https://github.com/MetroWind/tab-uncloser-firefox

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