What does Web Filter do?

Web Filter focuses on blocking websites that contain unwanted words or content. It is catalogued under Browser DevTools & extensions on PulseGate.

Who is Web Filter for?

Web Filter is a consumer product built for firefox users who want basic website filtering.

Yes — Web Filter is free to use.

What platforms does Web Filter run on?

Web Filter runs on the web, embeddable surfaces, and Android.

Is Web Filter still active?

Unverified. Web Filter 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 Web Filter?

Similar projects tracked by PulseGate include Web Block, WebBlock, and Kid-Safe Web Filter.

Who develops Web Filter?

Web Filter is developed by omerss.

When did Web Filter launch?

Web Filter first shipped in 2024.

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Web Filter

Name: Web Filter
Author: omerss

mozilla.orgBrowser DevTools & extensions

Web Filter is a Firefox browser extension that blocks websites based on words from a Pastebin list. It is available for Firefox on desktop and Android and requires access to website data to apply its filtering rules.

FreeWebEmbeddableAndroid

Visit mozilla.org

Overview

5 features

In the Browser DevTools & extensions space, Web Filter takes a focused approach. It focuses on blocking websites that contain unwanted words or content. It is built as a consumer product for firefox users who want basic website filtering. Web Filter costs nothing to use. It ships for the web, embeddable surfaces, and Android.

Behind Web Filter is omerss, and it first shipped in 2024. Key capabilities include website blocking, word-list filtering, and pastebin word list. 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
Word-list filtering
Pastebin word list
Firefox support
Android support

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

Indexed19 Sep · 22:05 UTC
Web Filter verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Web Filter

What does Web Filter do?: Web Filter focuses on blocking websites that contain unwanted words or content. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Web Filter for?: Web Filter is a consumer product built for firefox users who want basic website filtering.
Is Web Filter free?: Yes — Web Filter is free to use.
What platforms does Web Filter run on?: Web Filter runs on the web, embeddable surfaces, and Android.
Is Web Filter still active?: Unverified. Web Filter 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 Web Filter?: Similar projects tracked by PulseGate include Web Block, WebBlock, and Kid-Safe Web Filter.Web Block WebBlock Kid-Safe Web Filter
Who develops Web Filter?: Web Filter is developed by omerss.
When did Web Filter launch?: Web Filter first shipped in 2024.

At a glance

Pricing: Free
Platforms: Web
Built for: Firefox users who want basic website filtering
Model: B2C
Solves: Blocking websites that contain unwanted words or content.

Registered as

Firefox Add-ons: web-filter

Developer

omerss

Index record

Indexed: 19 Sep 2026
Lifecycle: Alive
Last seen: 19 Sep 2026

Identity audit (13)

Slug: web-filter-mozilla-org
Lifecycle state recorded: 19 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 19 Sep 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: 19 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/web-filter

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