GP is a consumer product built for firefox users who watch content on supported streaming websites.

What platforms does GP run on?

GP runs on the web, embeddable surfaces, and Android.

Unverified. GP 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.

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GP

Name: GP
Author: Thirdy

mozilla.orgBrowser DevTools & extensions

GP is a Firefox browser extension that modifies or enhances supported streaming and video websites. It is available for Firefox on desktop and Android and requests access to selected streaming domains.

FreeWebEmbeddableAndroid

Visit mozilla.org

Overview

6 features

In the Browser DevTools & extensions space, GP takes a focused approach. It focuses on enhancing supported streaming websites with browser-based features and modifications. It is built as a consumer product for firefox users who watch content on supported streaming websites. It is available for free. It ships for the web, embeddable surfaces, and Android.

It is developed by Thirdy, and it first shipped in 2025. Among its 6 catalogued features are browser extension, firefox support, and android support. The interface is available in 32 languages, including Czech, German, and Greek.

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

Browser extension
Firefox support
Android support
Streaming site support
Domain-specific access
No data collection

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

Indexed8 Sep · 10:32 UTC
GP verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about GP

What does GP do?: GP focuses on enhancing supported streaming websites with browser-based features and modifications. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use GP?: GP is a consumer product built for firefox users who watch content on supported streaming websites.
Is GP free?: Yes — GP is free to use.
What platforms does GP run on?: GP runs on the web, embeddable surfaces, and Android.
Is GP still active?: Unverified. GP 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.
Who develops GP?: GP is developed by Thirdy.
How long has GP been around?: GP first shipped in 2025.
What languages does GP support?: The interface is available in 32 languages, including Czech, German, and Greek.

At a glance

Pricing: Free
Platforms: Web
Built for: Firefox users who watch content on supported streaming websites
Model: B2C
Solves: Enhancing supported streaming websites with browser-based features and modifications.

Registered as

Firefox Add-ons: gpext4ff

Developer

Thirdy

Index record

Indexed: 8 Sep 2026
Lifecycle: Alive
Last seen: 8 Sep 2026

Identity audit (13)

Slug: gp-mozilla-org
Lifecycle state recorded: 8 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 8 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: 8 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/gpext4ff

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