Who is AudioMaster for?

AudioMaster is a consumer product built for firefox users who need browser audio controls.

Yes — AudioMaster is free to use.

What platforms does AudioMaster run on?

AudioMaster runs on the web and embeddable surfaces.

Is AudioMaster still active?

Unverified. AudioMaster 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 AudioMaster?

Similar projects tracked by PulseGate include Audio Booster, Volume Master, and Volume Master.

Who develops AudioMaster?

AudioMaster is developed by Z4r.

How long has AudioMaster been around?

AudioMaster first shipped in 2025.

Back to the index

AudioMaster

Name: AudioMaster
Author: Z4r

mozilla.orgOther music & audio

AudioMaster is a Firefox extension that controls audio in the active browser tab. It provides stereo-to-mono switching, volume boosting up to 600%, mute and reset controls, and keyboard shortcuts for music, video, and calls.

FreeWebEmbeddableCloud-managed

Visit mozilla.org

Overview

6 features

AudioMaster sits in PulseGate's Other music & audio category. It focuses on controlling inconsistent or insufficient browser audio volume and stereo output. AudioMaster is a consumer product aimed at firefox users who need browser audio controls. AudioMaster is free to use. It ships for the web and embeddable surfaces.

It is developed by Z4r, and it first shipped in 2025. Key capabilities include Stereo/Mono Toggle, Volume Boost, and Mute 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.

Stereo/Mono Toggle
Volume Boost
Mute Control
Volume Reset
Keyboard Shortcuts
Active Tab Control

Built with & integrations

Runs on

BrowserEmbeddableCloud-managed

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed10 Sept · 12:24 UTC
AudioMaster verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about AudioMaster

What does AudioMaster do?: AudioMaster focuses on controlling inconsistent or insufficient browser audio volume and stereo output. It is catalogued under Other music & audio on PulseGate.
Who is AudioMaster for?: AudioMaster is a consumer product built for firefox users who need browser audio controls.
Is AudioMaster free?: Yes — AudioMaster is free to use.
What platforms does AudioMaster run on?: AudioMaster runs on the web and embeddable surfaces.
Is AudioMaster still active?: Unverified. AudioMaster 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 AudioMaster?: Similar projects tracked by PulseGate include Audio Booster, Volume Master, and Volume Master.Audio Booster Volume Master Volume Master
Who develops AudioMaster?: AudioMaster is developed by Z4r.
How long has AudioMaster been around?: AudioMaster first shipped in 2025.

At a glance

Pricing: Free
Platforms: Web
Built for: Firefox users who need browser audio controls
Model: B2C
Solves: Controlling inconsistent or insufficient browser audio volume and stereo output.

Registered as

Firefox Add-ons: audiomaster

Developer

Z4r

Index record

Indexed: 10 Sept 2026
Lifecycle: Alive
Last seen: 10 Sept 2026

Identity audit (13)

Slug: audiomaster-mozilla-org
Lifecycle state recorded: 10 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 10 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: 10 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/audiomaster

Ship this? Send a correction — no account, and you get a link to follow it.

Similar projects

Closest matches by what these projects do