Who should use Player Helper?

Player Helper is a consumer product built for firefox users who watch online videos.

Does Player Helper have a free plan?

Yes — Player Helper is free to use.

What platforms does Player Helper run on?

Player Helper runs on the web, embeddable surfaces, and Android.

Is Player Helper still active?

Unverified. Player Helper 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 Player Helper?

Similar projects tracked by PulseGate include Video Download Helper, YouTube Custom Helper, and Video Playback Speed Adjuster.

Who makes Player Helper?

Player Helper is developed by Jacky Chan.

How long has Player Helper been around?

Player Helper first shipped in 2023.

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Player Helper

Name: Player Helper
Author: Jacky Chan

mozilla.orgVideo & media players

Player Helper is a Firefox browser extension that changes YouTube and Bilibili video player dimensions and sets default playback speed. Users can adjust playback speed in real time across supported websites, including Firefox for Android.

FreeWebEmbeddableAndroid

Visit mozilla.org

Overview

6 features

In the Video & media players space, Player Helper takes a focused approach. It focuses on adjusting video player size and playback speed consistently across supported websites. It is built as a consumer product for firefox users who watch online videos. Player Helper is free to use. Player Helper is available on the web, embeddable surfaces, and Android.

It is developed by Jacky Chan, and it first shipped in 2023. Among its 6 catalogued features are player resizing, default playback speed, and real-time speed control. The interface is available in 32 languages, including Czech, German, and Greek.

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

Player resizing
Default playback speed
Real-time speed control
YouTube support
Bilibili support
Firefox for Android

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 · 01:20 UTC
Player Helper verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Player Helper

What does Player Helper do?: Player Helper focuses on adjusting video player size and playback speed consistently across supported websites. It is catalogued under Video & media players on PulseGate.
Who should use Player Helper?: Player Helper is a consumer product built for firefox users who watch online videos.
Does Player Helper have a free plan?: Yes — Player Helper is free to use.
What platforms does Player Helper run on?: Player Helper runs on the web, embeddable surfaces, and Android.
Is Player Helper still active?: Unverified. Player Helper 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 Player Helper?: Similar projects tracked by PulseGate include Video Download Helper, YouTube Custom Helper, and Video Playback Speed Adjuster.Video Download Helper YouTube Custom Helper Video Playback Speed Adjuster
Who makes Player Helper?: Player Helper is developed by Jacky Chan.
How long has Player Helper been around?: Player Helper first shipped in 2023.

At a glance

Pricing: Free
Platforms: Web
Built for: Firefox users who watch online videos
Model: B2C
Solves: Adjusting video player size and playback speed consistently across supported websites.

Registered as

Firefox Add-ons: player-helper

Developer

Jacky Chan

Index record

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

Identity audit (13)

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

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