What is Undo Close Tab?

Undo Close Tab focuses on recovering Firefox tabs that were accidentally or recently closed. It is catalogued under Browser DevTools & extensions on PulseGate.

Who should use Undo Close Tab?

Undo Close Tab is an open-source project built for firefox users.

Is Undo Close Tab free?

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

What platforms does Undo Close Tab run on?

Undo Close Tab runs on the web and embeddable surfaces. It can also be self-hosted.

Is Undo Close Tab still active?

Unverified. Undo Close Tab 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 Undo Close Tab?

Similar projects tracked by PulseGate include Tab Uncloser, Restore Tabs, and Restore closed tab button.

Who develops Undo Close Tab?

Undo Close Tab is developed by M-Reimer.

How long has Undo Close Tab been around?

Undo Close Tab first shipped in 2017.

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Undo Close Tab

Name: Undo Close Tab
Author: M-Reimer

github.comBrowser DevTools & extensions

Undo Close Tab is an open-source Firefox add-on for restoring recently closed browser tabs. It provides a quick way for Firefox users to recover tabs without navigating browser history.

Open SourceWebEmbeddableSelf-hosted

Visit github.com

Overview

3 features

In the Browser DevTools & extensions space, Undo Close Tab takes a focused approach. It focuses on recovering Firefox tabs that were accidentally or recently closed. It is built as an open-source project for firefox users. The project is open source (Open Source). It ships for the web and embeddable surfaces, and it can be self-hosted.

It is developed by M-Reimer, and it first shipped in 2017. Among its 3 catalogued features are restore closed tabs, firefox integration, and tab recovery.

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

Restore closed tabs
Firefox integration
Tab recovery

Built with & integrations

Runs on

BrowserEmbeddableSelf-hosted

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

Indexed7 Sep · 23:24 UTC
Geschlossenen Tab wiederherstellen verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Undo Close Tab

What is Undo Close Tab?: Undo Close Tab focuses on recovering Firefox tabs that were accidentally or recently closed. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Undo Close Tab?: Undo Close Tab is an open-source project built for firefox users.
Is Undo Close Tab free?: Yes — Undo Close Tab is open source under the Open Source license and free to use.
What platforms does Undo Close Tab run on?: Undo Close Tab runs on the web and embeddable surfaces. It can also be self-hosted.
Is Undo Close Tab still active?: Unverified. Undo Close Tab 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 Undo Close Tab?: Similar projects tracked by PulseGate include Tab Uncloser, Restore Tabs, and Restore closed tab button.Tab Uncloser Restore Tabs Restore closed tab button
Who develops Undo Close Tab?: Undo Close Tab is developed by M-Reimer.
How long has Undo Close Tab been around?: Undo Close Tab first shipped in 2017.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
First seen: 7 Sep 2026
Built for: Firefox users
Model: Open source
Solves: Recovering Firefox tabs that were accidentally or recently closed.

Registered as

Firefox Add-ons: undoclosetabbutton

Developer

M-Reimer

Index record

Indexed: 7 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 7 Sep 2026

Identity audit (13)

Slug: geschlossenen-tab-wiederherstellen-github-com
Lifecycle last checked: 8 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 7 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: 7 Sep 2026
Canonical URL: https://github.com/M-Reimer/undoclosetab

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