What does Beacon Mark do?

Beacon Mark focuses on blocking unwanted content while browsing the web with Firefox. It is catalogued under Browser DevTools & extensions on PulseGate.

Who should use Beacon Mark?

Beacon Mark is a consumer product built for firefox users who want to block web content.

Yes — Beacon Mark is free to use.

What platforms does Beacon Mark run on?

Beacon Mark runs on the web, embeddable surfaces, and Android.

Is Beacon Mark still active?

Unverified. Beacon Mark 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 Beacon Mark?

Similar projects tracked by PulseGate include Glide Mark, Bookthemark, and Focus Field.

Who makes Beacon Mark?

Beacon Mark is developed by JimBellas.

When did Beacon Mark launch?

Beacon Mark first shipped in 2026.

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Beacon Mark

Name: Beacon Mark
Author: JimBellas

mozilla.orgBrowser DevTools & extensions

Beacon Mark is a Firefox browser extension that blocks content on web pages. It is available for Firefox on desktop and Android, with no stated data collection and a Mozilla Public License 2.0.

FreeWebEmbeddableAndroid

Visit mozilla.org

Overview

5 features

In the Browser DevTools & extensions space, Beacon Mark takes a focused approach. It focuses on blocking unwanted content while browsing the web with Firefox. Beacon Mark is a consumer product aimed at firefox users who want to block web content. Beacon Mark costs nothing to use. It ships for the web, embeddable surfaces, and Android.

Behind Beacon Mark is JimBellas, and it first shipped in 2026. Key capabilities include content blocking, website permissions, and firefox for Android. The interface is available in 32 languages, including Czech, German, and Greek.

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

Content blocking
Website permissions
Firefox for Android
No data collection
Open-source license

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

Indexed26 Aug · 15:10 UTC
Beacon Mark verified against its public source
Source: PulseGate · Open

Frequently asked questions about Beacon Mark

What does Beacon Mark do?: Beacon Mark focuses on blocking unwanted content while browsing the web with Firefox. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Beacon Mark?: Beacon Mark is a consumer product built for firefox users who want to block web content.
Is Beacon Mark free?: Yes — Beacon Mark is free to use.
What platforms does Beacon Mark run on?: Beacon Mark runs on the web, embeddable surfaces, and Android.
Is Beacon Mark still active?: Unverified. Beacon Mark 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 Beacon Mark?: Similar projects tracked by PulseGate include Glide Mark, Bookthemark, and Focus Field.Glide Mark Bookthemark Focus Field
Who makes Beacon Mark?: Beacon Mark is developed by JimBellas.
When did Beacon Mark launch?: Beacon Mark first shipped in 2026.

At a glance

Pricing: Free
Platforms: Web
First seen: 26 Aug 2026
Built for: Firefox users who want to block web content
Model: B2C
Solves: Blocking unwanted content while browsing the web with Firefox.

Registered as

Firefox Add-ons: beacon-mark

Developer

JimBellas

Index record

Indexed: 26 Aug 2026
Lifecycle: Alive
First seen: Aug 2026
Last seen: 26 Aug 2026

Identity audit (13)

Slug: beacon-mark-mozilla-org
Lifecycle state recorded: 26 Aug 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 26 Aug 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
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: 26 Aug 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/beacon-mark

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