Who is ScreenZen Blocker for?

ScreenZen Blocker is a consumer product built for mac users who want to limit distracting websites.

What platforms does ScreenZen Blocker run on?

ScreenZen Blocker runs on the web, embeddable surfaces, and macOS.

Is ScreenZen Blocker still active?

Unverified. ScreenZen Blocker 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 ScreenZen Blocker?

Similar projects tracked by PulseGate include ZenBlock, Website Blocker, and SiteBlocker.

Who makes ScreenZen Blocker?

ScreenZen Blocker is developed by ScreenZen.

When did ScreenZen Blocker launch?

ScreenZen Blocker first shipped in 2025.

Back to the index

ScreenZen Blocker

Name: ScreenZen Blocker
Author: ScreenZen

mozilla.orgWebsite firewall, bot & spam protection

ScreenZen Blocker is a Firefox extension that applies website-blocking configurations from the ScreenZen macOS application. It requires the macOS app and communicates with it to block websites in Firefox.

WebEmbeddablemacOS

Visit mozilla.org

Overview

4 features

In the Website firewall, bot & spam protection space, ScreenZen Blocker takes a focused approach. It focuses on blocking distracting websites in Firefox according to ScreenZen configurations. It is built as a consumer product for mac users who want to limit distracting websites. It runs on the web, embeddable surfaces, and macOS.

ScreenZen builds and maintains ScreenZen Blocker, and it first shipped in 2025. Among its 4 catalogued features are Website Blocking, Firefox Integration, and Configuration Sync. The interface is available in 32 languages, including Czech, German, and Greek.

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

Website Blocking
Firefox Integration
Configuration Sync
Browser Tab Access

Built with & integrations

Runs on

BrowserEmbeddablemacOS

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed9 Sept · 00:31 UTC
ScreenZen Blocker verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about ScreenZen Blocker

What does ScreenZen Blocker do?: ScreenZen Blocker focuses on blocking distracting websites in Firefox according to ScreenZen configurations. It is catalogued under Website firewall, bot & spam protection on PulseGate.
Who is ScreenZen Blocker for?: ScreenZen Blocker is a consumer product built for mac users who want to limit distracting websites.
What platforms does ScreenZen Blocker run on?: ScreenZen Blocker runs on the web, embeddable surfaces, and macOS.
Is ScreenZen Blocker still active?: Unverified. ScreenZen Blocker 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 ScreenZen Blocker?: Similar projects tracked by PulseGate include ZenBlock, Website Blocker, and SiteBlocker.ZenBlock Website Blocker SiteBlocker
Who makes ScreenZen Blocker?: ScreenZen Blocker is developed by ScreenZen.
When did ScreenZen Blocker launch?: ScreenZen Blocker first shipped in 2025.
What languages does ScreenZen Blocker support?: The interface is available in 32 languages, including Czech, German, and Greek.

At a glance

Pricing: Paid · pricing page detected
Platforms: Web
Built for: Mac users who want to limit distracting websites
Model: B2C
Solves: Blocking distracting websites in Firefox according to ScreenZen configurations.

Registered as

Firefox Add-ons: screenzen-blocker

Developer

ScreenZen

Index record

Indexed: 9 Sept 2026
Lifecycle: Alive
Last seen: 9 Sept 2026

Identity audit (13)

Slug: screenzen-blocker-mozilla-org
Lifecycle state recorded: 9 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 9 Sept 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
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: 9 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/screenzen-blocker

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