Tab Freezer focuses on preventing unwanted websites from opening or remaining accessible in browser tabs. It is catalogued under Browser DevTools & extensions on PulseGate.

Who is Tab Freezer for?

Tab Freezer is an open-source project built for privacy-conscious web browser users.

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

What platforms does Tab Freezer run on?

Tab Freezer runs on the web and embeddable surfaces.

Is Tab Freezer still maintained?

Unverified. Tab Freezer 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 Freezer?

Similar projects tracked by PulseGate include Tab Lock, Tab Close Gold, and Blacklist AutoClose.

Who makes Tab Freezer?

Tab Freezer is developed by lynk.

How long has Tab Freezer been around?

Tab Freezer first shipped in 2018.

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Tab Freezer

Name: Tab Freezer
Author: lynk

github.comInfrastructure

Tab Freezer is an open-source Firefox and Chrome extension that automatically closes newly opened tabs belonging to blacklisted domains. Users configure domains they want to block to reduce unwanted browsing interruptions or enforce browser restrictions.

Open SourceWebEmbeddable

Visit github.com

Overview

4 features

Tab Freezer is a Browser DevTools & extensions project. It focuses on preventing unwanted websites from opening or remaining accessible in browser tabs. Tab Freezer is an open-source project aimed at privacy-conscious web browser users. The project is open source (Open Source). It runs on the web and embeddable surfaces.

Behind Tab Freezer is lynk, and it first shipped in 2018. Key capabilities include domain blacklist, automatic tab closing, and chrome support.

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

Domain blacklist
Automatic tab closing
Chrome support
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

Indexed12 Sep · 08:39 UTC
Tab Freezer verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Tab Freezer

What is Tab Freezer?: Tab Freezer focuses on preventing unwanted websites from opening or remaining accessible in browser tabs. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Tab Freezer for?: Tab Freezer is an open-source project built for privacy-conscious web browser users.
Is Tab Freezer free?: Yes — Tab Freezer is open source under the Open Source license and free to use.
What platforms does Tab Freezer run on?: Tab Freezer runs on the web and embeddable surfaces.
Is Tab Freezer still maintained?: Unverified. Tab Freezer 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 Freezer?: Similar projects tracked by PulseGate include Tab Lock, Tab Close Gold, and Blacklist AutoClose.Tab Lock Tab Close Gold Blacklist AutoClose
Who makes Tab Freezer?: Tab Freezer is developed by lynk.
How long has Tab Freezer been around?: Tab Freezer first shipped in 2018.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
First seen: 12 Sep 2026
Built for: privacy-conscious web browser users
Model: Open source
Solves: Preventing unwanted websites from opening or remaining accessible in browser tabs.

Registered as

Firefox Add-ons: tab-freezer

Developer

lynk

Index record

Indexed: 12 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 12 Sep 2026

Identity audit (13)

Slug: tab-freezer-github-com
Lifecycle state recorded: 12 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 12 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: 12 Sep 2026
Canonical URL: https://github.com/lynk/webext-tabfreezer

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