What does mediaBlock do?

MediaBlock focuses on reducing online distractions by blocking unwanted images, keywords, and websites. It is catalogued under Browser DevTools & extensions on PulseGate.

Who is mediaBlock for?

mediaBlock is a consumer product built for firefox users seeking a distraction-free browsing environment.

Yes — mediaBlock is free to use.

What platforms does mediaBlock run on?

mediaBlock runs on the web and embeddable surfaces.

Is mediaBlock still active?

Unverified. mediaBlock 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 mediaBlock?

Similar projects tracked by PulseGate include Block Websites, Website Blocker, and Social Media Blocker.

Who develops mediaBlock?

mediaBlock is developed by Alex Leonetti.

When did mediaBlock launch?

mediaBlock first shipped in 2020.

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mediaBlock

Name: mediaBlock
Author: Alex Leonetti

mozilla.orgBrowser DevTools & extensions

mediaBlock is a Firefox WebExtension that creates a distraction-free browsing environment by blocking images, hiding text containing selected keywords, and blocking specified websites. It is intended for individuals who want to reduce exposure to distracting media and social platforms.

FreeWebEmbeddable

Visit mozilla.org

Overview

5 features

In the Browser DevTools & extensions space, mediaBlock takes a focused approach. It focuses on reducing online distractions by blocking unwanted images, keywords, and websites. mediaBlock is a consumer product aimed at firefox users seeking a distraction-free browsing environment. It is available for free. It ships for the web and embeddable surfaces.

It is developed by Alex Leonetti, and it first shipped in 2020. Among its 5 catalogued features are image blocking, keyword blocking, and website blocking. The interface is available in 32 languages, including Czech, German, and Greek.

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

Image blocking
Keyword blocking
Website blocking
Custom blocklists
Firefox integration

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed14 Sep · 02:49 UTC
mediaBlock verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about mediaBlock

What does mediaBlock do?: MediaBlock focuses on reducing online distractions by blocking unwanted images, keywords, and websites. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is mediaBlock for?: mediaBlock is a consumer product built for firefox users seeking a distraction-free browsing environment.
Is mediaBlock free?: Yes — mediaBlock is free to use.
What platforms does mediaBlock run on?: mediaBlock runs on the web and embeddable surfaces.
Is mediaBlock still active?: Unverified. mediaBlock 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 mediaBlock?: Similar projects tracked by PulseGate include Block Websites, Website Blocker, and Social Media Blocker.Block Websites Website Blocker Social Media Blocker
Who develops mediaBlock?: mediaBlock is developed by Alex Leonetti.
When did mediaBlock launch?: mediaBlock first shipped in 2020.

At a glance

Pricing: Free
Platforms: Web
First seen: 14 Sept 2026
Built for: Firefox users seeking a distraction-free browsing environment
Model: B2C
Solves: Reducing online distractions by blocking unwanted images, keywords, and websites.

Registered as

Firefox Add-ons: mediablock-plugin

Developer

Alex Leonetti

Index record

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

Identity audit (13)

Slug: mediablock-mozilla-org
Lifecycle state recorded: 14 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 14 Sept 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: 14 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/mediablock-plugin

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