Who is Volume Master for?

Volume Master is a consumer product built for firefox users who need louder browser audio.

Does Volume Master have a free plan?

Yes — Volume Master is free to use.

What platforms does Volume Master run on?

Volume Master runs on the web and embeddable surfaces.

Is Volume Master still active?

Unverified. Volume Master 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 Volume Master?

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

Who makes Volume Master?

Volume Master is developed by Volume Master.

How long has Volume Master been around?

Volume Master first shipped in 2026.

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Volume Master

Name: Volume Master
Author: Volume Master

mozilla.orgBrowser DevTools & extensions

Volume Master is a Firefox extension that amplifies audio from browser tabs up to 600%. It provides adjustable volume controls and keyboard shortcuts for videos, music, and other web content.

FreeWebEmbeddable

Visit mozilla.org

1alternative

6features

2026since

Overview

6 features

Volume Master is a Browser DevTools & extensions project. It focuses on increasing browser audio beyond standard volume limits for clearer and louder playback. It is built as a consumer product for firefox users who need louder browser audio. Volume Master is free to use. It runs on the web and embeddable surfaces.

Volume Master builds and maintains Volume Master, and it first shipped in 2026. Among its 6 catalogued features are volume amplification, 600% volume control, and tab audio 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.

Volume amplification
600% volume control
Tab audio control
Keyboard shortcuts
Fullscreen indicator
Browser media support

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

Indexed8 Sept · 02:01 UTC
Volume Master — Zvýšení hlasitosti verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Volume Master

What does Volume Master do?: Volume Master focuses on increasing browser audio beyond standard volume limits for clearer and louder playback. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Volume Master for?: Volume Master is a consumer product built for firefox users who need louder browser audio.
Does Volume Master have a free plan?: Yes — Volume Master is free to use.
What platforms does Volume Master run on?: Volume Master runs on the web and embeddable surfaces.
Is Volume Master still active?: Unverified. Volume Master 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 Volume Master?: Similar projects tracked by PulseGate include Volume Master, Volume Master, and Volume Booster.Volume Master Volume Master Volume Booster
Who makes Volume Master?: Volume Master is developed by Volume Master.
How long has Volume Master been around?: Volume Master first shipped in 2026.

At a glance

Pricing: Free
Platforms: Web
First seen: 8 Sept 2026
Built for: Firefox users who need louder browser audio
Model: B2C
Solves: Increasing browser audio beyond standard volume limits for clearer and louder playback.

Registered as

Firefox Add-ons: volume-master-up

Index record

Indexed: 8 Sept 2026
Lifecycle: Alive
First seen: Sept 2026
Last seen: 8 Sept 2026

Identity audit (13)

Slug: volume-master-zvyseni-hlasitosti-mozilla-org
Lifecycle last checked: 8 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 8 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: 8 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/volume-master-up

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